Half Marathon Directory and Race Guides

San Diego's classic point-to-point half descends from Point Loma, follows the bay and downtown waterfront, then climbs to a Balboa Park finish.

Anchorage RunFest's half gives runners a summer tour of Alaska's largest city during a busy weekend that also includes marathon and ultra fields.

Run near 5,000 feet on Colorado's Coal Creek Trail, this small August half mixes concrete path with a gravel midsection and hot air balloons overhead.

Fall Creek Falls Half Marathon follows shaded park roads and paved paths for two loops near one of Tennessee's best-known waterfalls in late summer.

Edmonton Half Marathon combines city streets and river-valley scenery while hosting Canada's national half marathon championships in 2026 in Alberta.

Rio's point-to-point international half follows the waterfront from Leblon to Gloria, pairing an early start with ocean air, humidity, and a tight cutoff.

Byers Peak Stampede Half Marathon tackles an all-dirt route through Arapaho National Forest, pairing high-country scenery with a charitable mission.

Reykjavík’s one-lap half blends compact capital streets, harbor and coastal scenery with the citywide celebrations of Culture Night later that day.

La Porte's YMCA fundraiser half runs a certified loop of park roads and bike trails from Soldiers Memorial Park, with a cycling day closing the weekend.

Buenos Aires' flagship half pairs a World Athletics Label field with a fast, certified city course that has produced repeated sub-hour racing.

A flat, USATF-certified out-and-back on the Lehigh Valley Trail makes this Mendon half a straightforward choice for steady late-summer pacing.

Antrim Coast's elite-minded half pairs a very flat Larne seafront course with international depth, fast times, and dramatic coastal exposure.

Lima's historic half marathon links the Plaza de Armas with the city's central avenues and a park finish in cool, overcast coastal-winter weather.

Maybank's Bali half sends a large destination field through Gianyar roads and villages, where tropical heat, humidity, and rolling terrain shape the race.

The Rock Hall Half Marathon starts and finishes at the Rock and Roll Hall of Fame, with Cleveland lakefront miles, on-course music, and museum entry.

Santa Rosa Half Marathon follows paved creek paths and the Prince Memorial Greenway on a flat, certified course through Sonoma County in late summer.

A late-afternoon start sends a large field through central Stockholm on a fast but rolling route, finishing beside the Royal Palace and Parliament.

Ashland Half Marathon gives runners a late-August tour of the Center of the Universe, using town roads and neighborhoods around Randolph-Macon College.

A point to point lap of Lac La Belle in Oconomowoc, starting at the downtown Village Green and finishing on the sand at City Beach across road and trail.

Bowling Green caps this flat half at 300 entries and staffs every water stop with uniformed Scout troops, which keeps it a low key fall tune up.

Sunset Bay's trail half marathon climbs steep forest hills above the Oregon coast, then levels out on clifftops with sea lion and whale sightings.

A point to point that gives back about 1,400 feet from Hesperus through Wildcat Canyon, finishing at a Durango brewery with the beer already poured.

Nine net-downhill miles on hard-packed gravel rail-trail make Iron Horse one of Washington's fastest off-road halves, run point to point near North Bend.

Sohra's point-to-point half marathon pairs steep Meghalaya roads and waterfall-country scenery with a demanding wet-season test for runners.

A long-running Alpena charity race, this point-to-point half follows the flat crushed limestone North Eastern State Trail to a finish in northern Michigan.

Sold as One Hill of a Race, this Wisconsin half rolls past Big Green Lake and through the Conference Center grounds on a route that never lets you settle.

Helsingborg Half Marathon blends city streets, forest paths and seaside views on a 21.1-kilometre course hosting Sweden's 2026 half championship.

Mostly singletrack at Camp Manatoc in the Cuyahoga Valley, on Boy Scout camp trails that open to runners only for this Ohio trail race weekend.

Crushed limestone paths through Danada Forest Preserve give DuPage County runners a flat half marathon on trails instead of open suburban roads.

Warsaw Praski Night Half Marathon gives runners a 21.1-kilometre evening road race through the Polish capital with a late-summer festival atmosphere.

Bedford Running Festival Half Marathon pairs a Sunday 13.1-mile race with riverside scenery and a large post-race festival in Bedfordshire each year.

Tropical scenery and honest climbing define this Poipu half, which passes the Tunnel of Trees before descending to an oceanfront island finish.

Medellín Half Marathon covers a certified 21.098-kilometre city route from Parques del Río, pairing a large field with an early tropical start.

Flat farm roads out of Robbinsville Community Park, with a hard 3 hour cutoff that makes this central New Jersey half a genuine pace commitment.

Run on Labor Day weekend since 2005, the Oak Tree Half Marathon rolls through Genesee Valley farmland and funds local land conservation with every entry.

London’s community-focused half starts beside Tower Bridge, crosses four boroughs and finishes at the Cutty Sark in Greenwich on a mostly flat route.

Vedanta Zinc City Half Marathon brings a timed 21.097 km road race to Udaipur, with a growing event weekend and warm early-September conditions.

Vibha's Bay Area fundraiser runs a chip timed half with pacers for seven target times, drawing around 200 finishers alongside similar 10K and 5K fields.

Wizz Air Budapest Half Marathon pairs a large international field with a fast city route past Danube views and landmark architecture in early autumn.

New Haven Road Race Half Marathon starts from the New Haven Green on Labor Day, adding a distinct 13.1-mile option to a long-running city event.

A flat Cherry Creek trail course and a holiday morning start make this Parker half a Colorado PR target, with 10K and 5K races on the same program.

A flat run along the Scarborough Marsh from an American Legion base, with a beer finish and charity fundraising built into southern Maine's fall calendar.

Nine of this Bar Harbor half marathon's miles run on Acadia carriage roads, a hilly gravel course put on by the MDI YMCA past granite bridges.

Beat the Blerch Half Marathon mixes playful race-day theming with a flat gravel out-and-back through mossy forest along the Snoqualmie Valley Trail.

Lancaster County farmland carries this rolling half, with aid stations in Amish one-room schoolhouses and a handcrafted horseshoe finisher medal.

Black Squirrel climbs 1,500 feet to Lory State Park's west ridge, then drops onto runnable singletrack with views over Horsetooth Reservoir.

Blackwater Canyon Half Marathon drops about 1,400 feet from Thomas to Parsons on a scenic point-to-point rail-trail route through West Virginia.

BurliMOT runs point to point from Burlington into downtown Minot on paved Souris Valley paths, giving North Dakota a cool-weather September half.

Dirt, gravel, and pavement beside Lake Champlain, on an out and back that sends half marathoners through the Holmes Creek Covered Bridge twice.

Named for marathon great Dick Beardsley, this Detroit Lakes half marathon has run for three decades on lake-country Minnesota roads in early fall.

Danville's courthouse square sends runners onto farm roads west of Indianapolis and hands finishers a fall festival, under a 3.5 hour course cutoff.

Geist Half Marathon rolls along Geist Reservoir in Fishers, a suburban Indianapolis race with waterfront bridges, tree-lined roads, and steady hills.

Singletrack through the Mountain Bridge Wilderness gives this South Carolina trail half about 2,000 feet of climbing past Rainbow Falls at Jones Gap State Park.

Run on an active Army post, this Fort Eustis half has been on the calendar since the early 1980s and uses base roads the public rarely gets to see.

REVEL Big Cottonwood Half Marathon drops out of the Wasatch canyons toward Salt Lake City, giving fast-course runners a scenic September target.

A Saturday 21K through Tallinn combines Baltic city streets, seaside stretches, and a Toompea finish with a practical three-hour cutoff for runners.

The world’s largest half carries 63,000 runners from Newcastle over the Tyne Bridge to a loud, rolling South Shields finish beside the North Sea.

Bozeman Half Marathon descends from the southern foothills toward a Main Street finish, framed by broad views across Montana's Gallatin Valley.

Massachusetts North Shore half that starts at Manchester Essex High School and runs a certified route past the downtown and the Hamilton lakes.

Half-Boring turns Oregon's place name into a trail-side race identity, running out and back from Boring Station on the paved Springwater Trail.

Crown Point's USATF-certified out-and-back half keeps entry cheap and logistics simple, with a fairgrounds base and quiet streets in northwest Indiana.

A mostly flat Douro-side loop gives Porto's large autumn half a fast profile, historic-city scenery, and a straightforward three-hour limit.

Flat roads at 5,000 feet carry this Albuquerque half across the Rio Grande and back through the North Valley during New Mexico's green chile season.

Flat, fast North Jersey half on car-free Saddle River County Park paths, organized by the Racefaster running store with an optional training program entry.

A charity half in Acadiana that treats 13.1 as the main event, starting at dawn from the Broussard Sports Complex with proceeds going to Love Acadiana.

About as flat as 13.1 gets in central Pennsylvania: a City Island start, Susquehanna riverfront miles, and a field that regularly clears 450 runners.

Aviation history frames this Dayton half, linking Wright State and Wright-Patterson before a memorable finish at the iconic U.S. Air Force museum.

Susquehanna River Half Marathon connects Havre de Grace and Perryville on a supported road course beside the river and upper Chesapeake Bay.

Shuttle-only start at 9,550 feet west of Buena Vista, then roughly 2,500 feet of descent on mostly dirt roads into the upper Arkansas River valley.

Small-town Wyoming half starting and finishing at City Park in downtown Cody, run near 5,000 feet with September mountain air and a beer at the line.

A rolling loop past Circle Lake in rural Rice County, Minnesota, on mixed paved and gravel roads, with entry fees funding lake water quality projects.

Devil After Dark starts near sunset in Lovell Canyon, replacing Las Vegas heat and neon with moonlit forest roads beneath the Spring Mountains.

Upper Peninsula half on flat ground beside Little Bay de Noc, starting and finishing in Ludington Park with a September course built for even splits.

Mattoni Ústí nad Labem Half Marathon is a flat 21.097-kilometre city race with an unusual industrial passage and a 3,500-runner field in northern Czechia.

A flat, USATF-certified point-to-point along Puget Sound, run twice in one September weekend from Lincoln Park to Alki with skyline and island views.

A flat September half looping Alameda's island streets and shoreline from Alameda Point, with entry fees supporting the Alameda Education Foundation.

A Chesapeake charity half built from one neighborhood road loop and two circuits of Quiet Waters Park, run against a firm three-hour cutoff.

Belfast City Half Marathon takes a large field from Ormeau Park across the capital on a supported 13.1-mile course with a three-hour limit each autumn.

Lansing's long-running fall half marathon mixes downtown streets with the paved Lansing River Trail along the Grand River and the Red Cedar River.

Santa Fe International Half Marathon pairs a USATF-certified 13.1-mile road course with high-desert views and a finish near the city Railyard.

DC Half is a locally organized 13.1-mile race from West Potomac Park, giving runners a focused fall half in the nation's capital in September.

A women's half marathon on the roads of Belle Isle Park, with the Detroit skyline on one side of the island and the Windsor waterfront on the other.

A point-to-point downhill half through the Poudre River Canyon near Fort Collins, starting at the Mishawaka Amphitheatre and ending at a field party.

Fleet Feet Rochester Half Marathon blends Genesee River scenery, neighborhood support and purposeful elevation changes on a fall city route.

Halfmarathon Altötting is a fast, sheltered Bavarian road race with 80% of the route in forest, five aid stations, pacers, and a three-hour limit.

Blacksburg's college-town half caps entry at 2,000 runners and mixes town roads with the paved Huckleberry Trail near the Virginia Tech campus.

Philadelphia Distance Run brings a historic, fast half marathon back to Center City with a Parkway start and Eakins Oval finish in September.

Salem hosts a USATF-certified September half through Salem and Marblehead, starting and finishing at Salem Willows before Halloween crowds take over.

A one-off mass-participation world championship brings 35,000 runners to Copenhagen’s flat streets on the same stage as the elite field on race day.

Akron Half Marathon delivers a downtown Ohio tour with early climbing, a faster closing five miles and a major finish-line atmosphere each September.

An out-and-back half on the Betsie Valley Trail's flat crushed-stone rail bed, crossing Dair Creek and the Betsie River through northern Michigan forest.

West Georgia's sellout half marathon starts on Adamson Square, runs past Lake Carroll at sunrise, and rolls through the shaded Carrollton GreenBelt.

A Spokane-area club half that has run for nearly five decades, covering quiet back roads through Colbert and Green Bluff farm country in late September.

Rail trail half near Watkins Glen that shares its Saturday with an 18 miler, which makes it a common tune up inside a fall marathon training block.

Fort4Fitness Half Marathon brings a large community field through Fort Wayne before a memorable ballpark finish inside downtown Parkview Field.

The Jamestown Rhode Races half loops nearly all of Conanicut Island, with Narragansett Bay views, a Pell Bridge backdrop, and a long climb near mile 9.

A flat resort half marathon from Margaritaville Resort Orlando to the Promenade at Sunset Walk, with an early start and a 3:45 course time limit.

Holland's shoreline half links Lake Macatawa, Holland State Park, and Lakeshore Drive on a certified loop with a firm 16 minute per mile course cutoff.

Run Iron Mountain pairs a scenic Dickinson County half with a community-led race day that has raised nearly $200,000 for local charities since 2012.

Boise's largest community race sends half marathoners past the Capitol, the Old Idaho Penitentiary, and the Boise Depot before a finish in Ann Morrison Park.

A volunteer-run Stevens Point half along the Wisconsin River and city trails, where race proceeds fund land and water conservation in central Wisconsin.

La Crosse runs this half from Riverside Park over part of the Oktoberfest parade route, under a hard 2 hour 45 minute cutoff before the parade starts.

Zanesville built its half around the three way Y Bridge, looping historic neighborhoods on about 414 feet of total elevation change under a 3.5 hour limit.

Gold Country trail half that measures nearer 13.6 miles than 13.1, climbs about 2,465 feet, and crosses No Hands Bridge on the Western States Trail.

Turn-heavy East Tennessee half through downtown Johnson City, Mountain Home and the ETSU campus, with a relay running the same certified route.

Missouri's long-running City of Roses Half follows paved trail and neighborhood roads from Cape Girardeau, with relay teams and an early-start option.

H.C. Andersen Half Marathon offers a traffic-free 21.097-kilometre tour of Odense, combining city streets and festival support in early autumn.

Rare traffic-restricted access to Lake Shore Drive defines this flat South Side half, with skyline views and a Jackson Park start and finish.

A paved half along the Palisades ridge above the Hudson, with over 1,400 feet of climbing and shuttle access from Manhattan to the Fort Lee start.

Tbilisi Half Marathon runs two identical city-center loops from Republic Square, pairing international-standard measurement with a Georgian capital setting.

A women's half marathon in Green Bay each fall, with a two-person relay and 5K alongside and a field of about 1,500 finishing on the downtown CityDeck.

Evansville Half Marathon tours downtown, historic Bosse Field, Garvin Park and the Pigeon Creek Greenway on a gently rolling 13.1-mile route.

Four decades of South Shore racing move several hundred runners through downtown Bay Shore and the Brightwaters canals to a finish facing Fire Island.

Fully paved Shenandoah Valley half from Westover Park through city parks, golf course paths and neighborhoods, with a two-leg relay on the same route.

Le Roy is where JELL-O was invented, and its October half runs quiet paved farm roads through Genesee County to a finish at the JELL-O Barn.

This north suburban Chicago half runs through downtown Long Grove on a USATF-certified course and ends at an Oktoberfest party with beer and brats.

A capped-field Colorado trail half at Canon City that crosses the Royal Gorge Bridge, the highest suspension bridge in the US, high above the Arkansas River.

A half marathon built by Black Atlanta runners, routing through East Point, Westview, Oakland City, and other historically Black neighborhoods each fall.

Great Scottish Run Half Marathon fills central Glasgow with a large field, urban landmarks and a fast closing stretch into Glasgow Green each autumn.

Manchester's huge closed-road half pairs a famously flat Old Trafford course with deep crowds, fast pacing groups, and major-event energy all day.

Cardiff Castle, Penarth and Cardiff Bay anchor a fast SuperHalfs course backed by one of Britain’s strongest half-marathon crowds and a large field.

Bend's point-to-point half gives away roughly 500 feet in its first half on the Cascade Lakes bike path, then flattens out along the Deschutes River Trail.

Cologne's fast city half starts across the Rhine in Deutz and finishes beside the cathedral, with a 20,000-runner field and a firm 2:45 cutoff.

Scheduled against Balloon Fiesta week, this flat Rio Grande valley half starts at Los Poblanos Fields with hot air balloons filling the sky overhead.

Shuttle buses from a high school lot feed this paved Little Beaver Creek Greenway half, a young eastern Ohio race run under a firm three hour cutoff.

A history minded North Carolina half past Hillsborough's colonial era landmarks, finishing with a gravel lap of the 1949 Occoneechee Speedway track.

One of New Jersey's oldest distance races, run on a flat, USATF-certified two-loop course at Sandy Hook between the Atlantic Ocean and the bay.

The closing leg of a Central Valley half marathon series, run on Bakersfield's paved river trail from the infield of a 1940s minor league ballpark.

Long-running Jersey Shore half with a flat two-loop boardwalk and barrier island course in Seaside Park, capped at 600 entries and a three hour limit.

A metropark half on wide paved lake paths north of Detroit, run as two laps plus a short add-on and used by Michigan runners as a fall tune-up race.

Every mile of this Modesto half is dedicated to a fallen Stanislaus County officer, and sworn runners can take the same course on in full duty gear.

Portland Half Marathon offers a supported city race through Oregon's largest city with a downtown start, river views and fall timing each October.

A loop half through Poulsbo's Little Norway waterfront district on the Kitsap Peninsula, starting and finishing at Liberty Bay Waterfront Park in October.

Rock 'n' Roll San Jose Half Marathon is a flat downtown race built around live music, generous pacing support and Speed City tradition in early October.

Reno's only point-to-point half runs from the Swift Sportsdome through parks and Truckee River paths into downtown, finishing at Greater Nevada Field.

A 6:15am gun at Causeway Cove Marina sends this Treasure Coast half along the Fort Pierce Inlet, and the bridge crossing goes underneath instead of over.

Standard Chartered Kuala Lumpur Half Marathon sends runners over 21.0975 kilometres before dawn, with four hours to finish in tropical conditions.

Wegmans Wineglass Half Marathon runs point to point from Campbell to Corning, pairing Finger Lakes roads with a fast, gentle net downhill finish.

Skopje's established city half uses one measured urban lap, a central start and finish, and broad road running suited to steady autumn pacing.

Eversource Hartford Half Marathon links Connecticut's State Capitol, historic neighborhoods and riverfront on a certified city course each October.

A north Mississippi town square race that spent most of its life as a 10K and now sends a half marathon field out into rural DeSoto County roads.

A flat, paved-path half based at Hawk Island Park in Lansing, part of the fall cider series with proceeds going to Special Olympics Michigan.

HSN Putrajaya Half Marathon brings a predawn 21K to Malaysia's planned capital, with broad ceremonial roads and demanding tropical conditions.

A trail half in Paris Mountain State Park near Greenville with about 2,300 feet of climbing, switchbacks, lakeside singletrack, and a run or hike format.

Cincinnati's Queen Bee Half combines a 13.1-mile neighborhood tour with an event mission centered on fitness and charities serving women across the region.

An all-trail half through 820-acre Dr. T.K. Lawless County Park in southwest Michigan, with a non-repeating route, six bridge crossings, and real hills.

Northeast Iowa bluff country gives this half a point-to-point route on the Great River Road, including four gravel miles high above the Mississippi.

Named for the Columbia shuttle pilot who grew up in Lubbock, this West Texas half runs flat and open from the Silent Wings Museum into airport country.

Anchorage Running Club's October half runs one way from Goose Lake out to Kincaid Chalet on the Chester Creek and Tony Knowles Coastal trails.

Long Beach Half Marathon keeps the Pacific nearby for most of a flat, certified route through waterfront landmarks and coastal paths in October.

Address Run brings a central Sofia half marathon to the Wizz Air race weekend, with a city-center start, broad boulevard miles, and an open field.

ASML Half Marathon Eindhoven offers a broad, flat 21.1-kilometre city course with wave starts and a lively central finish during a major Dutch weekend.

Athens' hilly hometown half rolls from downtown through Boulevard and Five Points to a finish lap inside Sanford Stadium, funding music and arts education.

Beneva Montreal Half Marathon links Parc Jean-Drapeau and Parc Maisonneuve on a large city course with a four-hour limit during Montreal's fall festival.

A Sierra foothills trail half that leaves Nevada City's Broad Street and mixes pavement, gravel, and singletrack with a steady set of Gold Country climbs.

Cracovia Royal Half Marathon is a major 21.0975-kilometre road race through Kraków, with a large field and an autumn finish at TAURON Arena.

Repeat laps of Rockland Lake add up to roughly 135 feet of climbing, which is why time chasers in the lower Hudson Valley treat this as a PR date.

Fort Wayne's fall cider run follows the paved River Greenway past Johnny Appleseed's grave, with hot cider and caramel apples at the finish line.

A rare start on the Vasco da Gama Bridge sends a large field toward Lisbon's riverfront center and a grand Praça do Comércio finish downtown.

Nantucket's October half fills fast, sending a capped island field over beach roads, bike paths, and short sand patches from Bartlett's Farm.

Nike Melbourne Half Marathon sends a large field through central Melbourne before a signature finish inside the Melbourne Cricket Ground each spring.

A pancake flat lakefront half on the Louisiana Northshore, capped at 1,250 entries with the 10 miler and widely run as a fall personal best attempt.

Outway Half Marathon starts and finishes by the Inner Harbour, pairing ocean views with a rolling tour of Victoria and Oak Bay each October.

Oxford Half Marathon presents a flat, closed-road tour of the university city, combining historic streets and a large sold-out field in October.

Closed roads through four Royal Parks carry this ballot-led London half past Buckingham Palace to a Kensington Gardens finish near Royal Albert Hall.

Flat single-loop half outside Houston, run almost entirely on right turns from Smart Financial Centre, with no out-and-back miles to break rhythm.

Baltimore Half Marathon starts at the Inner Harbor, crosses east Baltimore and joins the full for a shared city-festival finish each October.

Bilbao's night half runs one illuminated city loop from San Mames toward the Guggenheim, mixing a festival atmosphere with rain-prone autumn weather.

Chicago Fall Classic Half Marathon uses a USATF-certified paved trail course along the lakefront, giving autumn runners a fast city racing option.

Midland's biggest road race pushes the half marathon off a working ranch and into Permian Basin neighborhoods before the West Texas sun gets high.

Hero Half Marathon gives Fayetteville runners a dedicated autumn 13.1-mile road race with community support, local rollers and a public-safety theme.

International Thessaloniki Night Half Marathon follows an evening city route through the port and finishes on Nikis Avenue beside Aristotelous Square.

Kinston's nonprofit half marathon runs a flat, certified loop past the CSS Neuse II gunboat and finishes on the first-base line in Grainger Stadium.

Kansas City Half Marathon links major museums, entertainment districts and historic neighborhoods in a large, energetic autumn tour of the city.

A Kirkland loop that starts and finishes at Juanita Beach Park, follows the Lake Washington shoreline, and comes with pacers and a certified course.

Fall series race on the paved paths around Normandale Lake in Bloomington, with a USATF-certified half and hot cider and caramel apples at the finish.

Urban Bourbon mixes a Louisville road half with Kentucky food, music and bourbon culture, ending in a downtown celebration for runners 21 and older.

Indiana's largest women-only half marathon starts at Carmel's Civic Square on a shaded course past parks and ponds, with a cash purse for top finishers.

One long out and back on Manasota Key, the Sandbar half trades turns for shade and open roads, with a 3 hour 30 minute limit and a restaurant finish line.

Antwerp Half Marathon follows a measured 21.0975-kilometre urban route from Kattendijkbrug to the MAS, with low climbing and four aid stations.

The Sunday closer of Bethlehem's three day running festival, starting and finishing at SteelStacks and crossing the Fahy Bridge into the historic district.

Champlain Islands Half Marathon traces an out-and-back along South Hero and Grand Isle, passing farms, orchards and Lake Champlain cottages.

A point-to-point run from downtown San Luis Obispo to the Pacific at Avila Beach, finishing on the Bob Jones Trail after miles of coastal backroads.

Two countries in 13.1 miles make Detroit's international half unique, with bridge and tunnel crossings plus memorable downtown and Midtown miles.

A women-focused half from Vancouver Waterfront Park past Fort Vancouver, run for nearly two decades to raise money for breast cancer support.

Mayo High School sends this Rochester half onto the Bear Creek Trail, a mostly paved route with gentle rolling sections rather than a flat park loop.

The IMT Des Moines Half brings a major-race setup to a flat city course, with a shared downtown hub and a generous six-hour scheduled window.

Helena's fall half marathon runs an out-and-back through the city's historic and scenic side, with race proceeds going to local Montana charities.

Ljubljana Half Marathon gives runners a separately timed 21.1-kilometre tour of Slovenia's capital during its largest annual running weekend.

Point-to-point through Hunterdon County farm country, this New Jersey half runs from the Red Mill in Clinton out to the hospital campus in Flemington.

Riverside's Mission Inn Run has nearly five decades of history, and its half marathon tours downtown landmarks to benefit the Mission Inn Foundation.

The Netherlands' largest half runs from Stadionweg through eastern Amsterdam before delivering a stadium finish and a strict three-hour limit.

Detroit's domestic half tours downtown, Midtown, Woodbridge, Eastern Market and Lafayette Park before finishing at Campus Martius Park on race day.

Columbus Half Marathon pairs a large, fast city race with Nationwide Children's Hospital patient champions stationed along the course each October.

Rolling loop through the neighborhoods and parkland south of Reading Hospital, this pacer-supported West Reading half doubles as a hospital fundraiser.

A Fairfield County fall fixture since the 1970s, the Ridgefield half runs two rolling loops through the south end before a fast downhill into town.

Toronto’s major fall half combines a fast downtown and Lake Ontario route with big-race crowds and a Nathan Phillips Square finish in October.

Tucson's only locally produced half marathon climbs Sentinel Peak in the opening miles, then flattens out along the Santa Cruz Riverpath for the rest.

Tokyo Legacy Half Marathon uses a certified National Stadium course with a deep field, tight cutoff, and central Tokyo racing without marathon distance.

TUI Palma Half Marathon pairs a certified 21.1-kilometre road race with cathedral, marina and Mediterranean seafront views in Mallorca's capital.

Vedanta Delhi Half Marathon brings an international elite field and a mass-participation 21.097-kilometre race to India's capital each autumn.

Wizz Air Rome Half Marathon gives runners a fast 21.0975-kilometre course through the capital, with a large international field and landmark scenery.

Peterson Ridge singletrack carries this women's-focused half through central Oregon pine forest, on a capped field that fills before race week.

A flat, USATF-certified late-October half on Milwaukee's Oak Leaf Trail from Estabrook Park, with cider and caramel apples waiting at the finish.

Jakarta's major festival half starts before dawn at Gelora Bung Karno, with a large city field, certified roads, deep humidity, and a generous cutoff.

Luang Prabang's charity half starts at the Royal Palace and traces temple-lined streets and river roads through the World Heritage city center.

Run on an island with no cars: ferry over, start on the Mackinac shoreline, then climb inland onto dirt and gravel trails before a lakeside finish.

A Halloween half marathon inside Kensington Metropark, running a mostly flat shoreline course from Maple Beach with costumes all over the field.

Purdue students, alumni, and regional clubs fill this late October campus half, which starts outside Ross-Ade Stadium and mixes roads with city bike paths.

A flat two-loop half run entirely on the Rockaway Beach boardwalk in Queens, with the Atlantic alongside from start to finish at Beach 94th Street.

Sea Witch weekend half inside Cape Henlopen State Park, running from Fort Miles past Herring Point to Gordons Pond on quiet park roads and paved trail.

Capped at 500 runners, this Missouri resort half rolls over five dams and past private lakes on a hilly mix of pavement and smooth gravel roads.

Closed roads along the Lake Pontchartrain shoreline give this Halloween half a flat profile and a costume-heavy field well clear of the French Quarter.

The Binational Half Marathon runs from San Diego to Tijuana, crossing the U.S.-Mexico border before climbing Enchilada Hill and finishing by the Pacific.

Disney Wine & Dine Half Marathon combines a pre-dawn 13.1-mile run at Walt Disney World with park entertainment and an EPCOT party in late October.

Flat rail trail half in northwest Indiana where entry stays cheap, the course holds a USATF certification, and finishers bank Race the Region points.

Garmin Run Singapore pairs a Marina Barrage half marathon with waterfront paths, a four-hour cutoff, and Singapore's persistent tropical humidity.

Green Bay's late-October half starts downtown on Washington Street and follows the Fox River Trail, with hot cider and caramel apples at the finish.

Zorinsky Lake Park anchors this Omaha half, a certified paved course with less than 100 feet between the highest and lowest points on the whole route.

Lille Half Marathon brings runners through the metropolitan center on a flat 21.097-kilometre road course designed for fast autumn racing in northern France.

Mae Moh is a labeled northern Thailand half marathon through reservoirs, mine landscapes, and limestone hills, backed by a long-running regional event.

Malibu's half marathon runs entirely on Pacific Coast Highway, an out-and-back from Zuma Beach up to Nicholas Canyon and back over coastal rollers.

Niagara Falls Half Marathon pairs a 13.1-mile Ontario road race with views of the falls, an 8:15 a.m. start and a strict early checkpoint in late October.

Weston's Kiwanis half loops past the Saugatuck Reservoir on quiet Connecticut back roads, with a fast river stretch and a long climb waiting in mile 12.

Portsmouth's late-October half sends close to a thousand runners through Rye and New Castle on a flat coastal loop, with all net proceeds to one nonprofit.

SHARP HSNKL Half Marathon sends a large predawn field from Dataran Merdeka through central Kuala Lumpur under hot, humid tropical conditions.

GO! St. Louis takes its costume-heavy fall race weekend to Eureka, where the half follows country roads along the Meramec River into Route 66 State Park.

A 6:30 am Halloween start from Stuart Beach, this Treasure Coast club race pairs a flat barrier island course with a costume contest and a three person relay.

Valencia pairs a record-caliber elite field with a precisely measured, exceptionally flat SuperHalfs course built for fast road racing in autumn.

Venice Half Marathon runs 21.097 kilometres from Mestre into the lagoon city, finishing beyond fourteen canal bridges at Riva Sette Martiri.

Costumes and a 7am gun inside Fort De Soto Park, where a flat barrier island half marathon runs on Halloween morning at the mouth of Tampa Bay.

An 11am course closure and a no walkers rule give this flat Galena River Trail half the strictest cutoff of any autumn race in northwest Illinois.

Auckland Half Marathon crosses the Harbour Bridge on a point-to-point city course from Devonport to a waterfront finish at Victoria Park in spring.

Thousands run this flat USATF course down Memorial Drive past MIT and Harvard Stadium, the last fast road half on the Boston autumn calendar.

The half at the Clarksburg Country Run doubles as the Pacific Association USATF championship, run on flat Delta farm roads just south of Sacramento.

Capped at 500 runners, this flat Rhode Island half runs two long loops along Narragansett Bay with a 3.5 hour limit and open exposure to the wind.

A half-only race from Black Locust Beach in Moraine View State Recreation Area near LeRoy, Illinois, timed for peak fall color on a certified course.

The Dallas Running Club's 51st annual half marathon starts at Norbuck Park and runs the flat certified trails around White Rock Lake in east Dallas.

Two Golden Gate Bridge crossings make this San Francisco half a scenic but exposed test, with fog, wind, climbs, and three strict cutoffs to manage.

A November coastal half in Ipswich that follows the Great Neck shoreline past some of the oldest homes in the country, on a USATF-certified course.

A Castlewood State Park trail tradition since 2009, the SKIPPO closes the Big River Trail Series with a half marathon shaped by the park's famous stairs.

Two Cities Half Marathon is a separately entered 13.1-mile Fresno road race with a 6:30 a.m. start and extensive marathon-weekend support each fall.

Fast, flat streets through downtown Indianapolis and its historic districts make this a serious fall PR option for runners seeking big-race support.

A paved rail trail carries this Iowa point to point from Indianola down to Carlisle, flat and sheltered enough that runners show up chasing fast times.

Cedar Falls memorial half that runs out and back from downtown State Street each November, funding a scholarship for future first responders.

A 6:15 a.m. gun gets Fort Lauderdale runners onto A1A before sunrise, with Las Olas and the Harbor Beach neighborhood filling out a flat coastal half.

Repeated rollers through Franklin Park and the Emerald Necklace give Boston’s marquee fall half a tougher rhythm than its elite field and fast times suggest.

Fayetteville's river greenway half runs out and back under two covered rail trestles, on paved trail with a generous cutoff and a growing field.

A USATF-certified November half in the Cy-Fair area northwest of Houston, part of the Run Houston series, with a decade-plus history and a 3:30 limit.

Lake Garda and mountain scenery surround this capped Italian half, where a three-hour limit and cool November timing reward steady pacing throughout.

Good Life Halfsy delivers a large net-downhill half marathon through Lincoln, backed by dense local support and a high-energy finish celebration.

Princeton's 13.1-mile road-and-trail course links the university, battlefield, Lake Carnegie and historic neighborhoods in a limited field of 1,800 runners.

MO' Cowbell Half Marathon runs from historic St. Charles toward the Missouri River, mixing long flat stretches with a decisive late two-mile climb.

Western Massachusetts half run in memory of two sisters lost to cancer, on a USATF-certified course that has drawn New England runners since 1996.

Monterey Bay’s fast coastal half runs past Cannery Row, Pacific Grove, and open ocean views before a Custom House Plaza finish beside the bay.

First run in 1980, the St. Louis Track Club's Forest Park race is the region's longest-standing half and still pays cash to the top three men and women.

Silver Strand Half Marathon follows San Diego Bay and the Pacific coast from Coronado, offering a flat seaside route with broad water views.

Wine country climbing defines this Temecula half, which starts and finishes at Wilson Creek Winery and gains most of its elevation in the opening miles.

Gainesville's autumn half runs out and back on the paved Gainesville to Hawthorne rail trail, with pacers from 1:30 to 2:20 and a brewery start and finish.

Richmond's lively neighborhood half combines a USATF-certified course, dense local support, and a downhill riverfront finish at Brown's Island.

Charlotte Half Marathon showcases uptown streets and distinctive neighborhoods on a rolling city course within the Queen City's signature race.

One of Ohio's oldest half marathons, a point-to-point run from Perrysburg to Maumee that has followed the Maumee River corridor for nearly six decades.

Nearly five decades of Huntsville Track Club history sit behind this flat South Huntsville half, the standard tune up race before Rocket City in December.

Queenstown's point-to-point half mixes hard-packed riverside trails and road, with mountain and lake scenery on a mainly flat run into town.

Oak Ridge's certified lakeside half has doubled in size in five years, running Melton Lake, a working quarry and a quiet tree lined private road.

Two mountain summits inside Hot Springs National Park give this Arkansas half about 1,000 feet of climbing on paved park roads, plus a four hour limit.

Flat Mission Bay loop racing in San Diego, starting on Ingraham Street and finishing at Ski Beach, with bay views and a mid-November calendar slot.

One of the South's oldest half marathons, the Battleship sends a big downtown Wilmington field over three Cape Fear bridges and around Greenfield Lake.

Berkeley Half Marathon tours university streets, lively neighborhoods and East Bay landmarks on a distinct, rolling 13.1-mile urban road course.

Nearly three miles of this Cocoa Beach race are run on hard-packed low-tide sand, with the rest on closed A1A and a strict three-hour finish limit.

Entry fees at this Northern Kentucky half marathon fund Honor Flight trips for local veterans, and the Florence course has real climbs late.

About 38 feet of total elevation change makes this Scissortail Park race the flattest of Oklahoma City's big halves, with one bridge and a downhill finish.

De Pere's autumn half caps entry at 350 and runs a certified, close to flat loop south of town from a start and finish at West De Pere High School.

A mountain half on the unpaved Army Ranger training roads at Camp Frank D. Merrill, with two long climbs and almost no flat ground in north Georgia.

Flat South Jersey 13.1 that starts and finishes at Blue Cork Winery, on paved closed roads with a half mile run on vineyard property and a 3.5 hour cap.

Verona Half Marathon gives runners a separately scored 21K through the historic city, sharing a major autumn road-racing stage with the marathon.

Small USATF-certified road half on flat South Georgia streets, starting and finishing at the old Moultrie High School building that houses The Arts Center.

A Thanksgiving trail half through Harbison State Forest, trading road speed for stream crossings, rolling woodland climbs and a Southern meal at the finish.

Gadsden's club run half starts and finishes at a brewery, pays cash to the podium, and takes a rolling route through northeast Alabama's old mill town.

Philadelphia’s major fall half tours historic neighborhoods from a Museum District start, with big-city production on marathon weekend each November.

About 300 feet of total climb over 13.1 miles makes this certified Greensboro course one of the friendlier first half marathons on the fall calendar.

Holly Springs fields one of the larger half marathons in the Raleigh suburbs, splitting the distance between neighborhood rollers and five greenway miles.

Thanksgiving-week half run entirely on the paved T.J. Evans rail-trail in Licking County, flat and closed to traffic, with a cold Ohio start line.

A flat Birmingham half marathon starting at the Powell Steam Plant, built for fast November times and benefiting sensory accessibility nonprofit KultureCity.

A North Shore charity half marathon in Peabody that funds the YMCA's Livestrong program, helping cancer survivors rebuild strength after treatment.

The oldest half marathon in the Roanoke Valley runs out and back on the paved Roanoke River Greenway and closes the region's Triple Crown series.

A decade old Central Indiana half that starts on Zionsville's brick Main Street, heads into farm country, and returns on the flat Big 4 Rail Trail.

Five decades old and still one of the flatter halves in northeast Ohio, the Fall Classic runs Valley Parkway inside the Cleveland Metroparks from Bonnie Park.

Space Coast Half Marathon follows a flat, certified waterfront route from Cocoa Village, with space-themed support and an Indian River setting.

A Thanksgiving morning half in Johns Creek that has run since 2011, with 5K, 10K, and 15K fields sharing the start and free entries for series finishers.

A Thanksgiving morning half marathon in northwest Houston, run as two flat loops from Delmar Stadium ahead of the shorter distances and a 4 hour cutoff.

Utah Valley's Thanksgiving morning half runs the paved Jordan River Parkway from Thanksgiving Point, close to flat, with a firm 3:15 course limit.

One of the few Thanksgiving morning races in north Georgia that goes the full 13.1, run before the meal on rolling suburban roads out of Cumming.

Thanksgiving morning racing on 100 percent dirt at Stony Creek Metropark, with roots, leaves, rolling climbs, and a three-hour limit on every distance.

Southeast Michigan's answer to Black Friday shopping is a wooded trail half at Proud Lake with a late 11 a.m. start and a ruck division alongside runners.

Amazing Thailand's 21K runs point to point from MBK Center to Sanam Luang, giving Bangkok a major predawn half on fully closed capital roads.

Thanksgiving-weekend half marathon on flat paved trail out of Armleder Park, east of downtown Cincinnati, sharing a start with a large 5K field.

Thanksgiving weekend race on the paved Backcountry Trail through Gulf State Park, flat and traffic free before a final stretch along the Gulf highway.

Dayton's Thanksgiving-weekend half runs streets and paved riverfront paths from Welcome Stadium on a certified course with a 3.5-hour finish limit.

Four laps of Flushing Meadows-Corona Park make this Queens holiday-weekend half a flat, subway-friendly option with no street closures to work around.

Brazen Racing's Thanksgiving weekend half runs the lakes at Quarry Lakes and out along the Alameda Creek Trail on flat dirt, with almost no climbing at all.

Flat USATF certified half on the paved paths of Busse Woods, run over Thanksgiving weekend in the northwest Chicago suburbs with a 3:30 course limit.

Discoveries Half Marathon anchors a large Lisbon running festival, starting at Praça do Império and finishing beside the Maritime Museum in Belém.

Seattle Half Marathon connects Seattle Center with a Pier 66 finish on a separately timed 13.1-mile city course, with 2027 already announced.

Seville's major half uses a nearly level city course built for fast times, with a 20,000-runner field and a new late-November calendar slot.

Pink City Half Marathon uses Jaipur's heritage streets and landmark-heavy urban route for a large late-autumn race in cooler, drier weather.

Ayla Red Sea Half Marathon follows flat waterfront roads around Aqaba's resort district, with a mild winter slot and exposed coastal running.

Singapore's national race weekend half starts before dawn, pairing a major city field with persistent humidity and a point-to-point stadium finish.

Winston-Salem's December running tradition, a half marathon more than four decades old that doubles as the local YMCA's largest annual fundraiser.

Memphis landmarks, powerful St. Jude campus miles, and a downhill AutoZone Park finish anchor this large, charity-driven half-marathon weekend.

Flat December half that runs ten miles out and back on the traffic free Texas City Dike before a closing 3.1 mile loop through Bay Street Park.

A closed course through downtown Wilmington that crosses all three city bridges and spends a mile on the riverwalk before finishing at Riverfront Park.

A flat, pre-dawn half through Angkor's temple landscape pairs World Heritage scenery with a long-running mission supporting Cambodian charities.

BMW Brunei International Half Marathon offers a measured capital-area road race from the national stadium, with a dawn start and four-hour limit.

A December half on Haverhill's rolling rural roads, run as a figure eight beside the Merrimack River with a field big enough to keep the pace honest.

A December half on the Glacial Drumlin and Fox River trails, pitched at Wisconsin runners who want one more flat time trial before winter shuts things down.

San Antonio’s locally produced half celebrates the city’s neighborhoods and heritage, with a certified course and festive Hemisfair finish downtown.

Flat downtown Indianapolis half from White River State Park along the canal and river paths, run in early December when near-freezing starts are normal.

Flat closed boulevards and a start before sunrise define this South Florida charity half, where December humidity still decides how the last miles feel.

Xiamen Haicang Half Marathon links coastal urban roads with sea, lake, and island scenery in a mild December racing window on China's coast.

ADNOC Abu Dhabi Half Marathon gives runners a separately entered 21.1-kilometre race amid the capital's broad boulevards and modern landmarks.

Georgetown Half Marathon offers a winter 13.1-mile road race north of Austin, with a dedicated course and individual timing for half runners.

A cross-country style December half marathon on the Hartness property in Greenville, mixing pavement, trails, gravel roads, and grass fields.

Maritime forests, marsh views, and a certified island course give Kiawah's half a polished coastal setting built for steady December racing.

Langkawi's 21K-only destination race runs from MIEC into paddy-field roads, combining a large field with tropical heat and persistent island humidity.

Sharqiyah's Gold Label half follows Al Khobar's Gulf-side Corniche, pairing a fast road field with palm-lined city views and coastal humidity.

Redwood singletrack above Silicon Valley, this December trail half climbs to the top of Sanborn County Park and rewards runners who walk the steep parts.

The Lake Area Runners have run this flat December half through the Graywood neighborhoods south of Lake Charles for more than a decade, with steady fields.

Dallas’ major half tours downtown neighborhoods and entertainment districts with on-course energy before a City Hall Plaza finish in December.

A ten dollar club half marathon on the C&O Canal towpath outside Washington, run as a flat out and back on packed stone in the middle of December.

Rock 'n' Roll Mexico City Half Marathon returns the series to Mexico's capital with a December 21.1K, music, altitude, and urban race-week energy.

West Valley holiday half that leaves the Westgate district and spends most of its miles on flat canal path in the best racing month of the Arizona year.

A flat looped half out of downtown Roseville's Vernon Street Town Square, on a Sacramento Valley date that is often cool and sometimes properly wet.

Pan-flat point-to-point from the roadside Santa statue on Highway 101 through Oxnard strawberry fields and Candy Cane Lane to the Channel Islands Harbor.

Nakhon Phanom's scenic half starts before dawn beside the Mekong, combining riverside views and a broad race weekend with cool-season weather.

Tucson Half Marathon brings a separately timed 13.1-mile race to the Sonoran Desert, framed by mountain views and dry winter running weather.

Palm Beaches Half Marathon delivers a flat 13.1-mile waterfront road race through West Palm Beach, with sunrise views and a six-hour window.

Acadiana's oldest half offers a USATF-certified road route in Lafayette while raising support for regional parks and trail projects with deep local roots.

A holiday-season half marathon from Forsythe Park in Monroe, running since 2015 with proceeds that fund Scouting programs in northeast Louisiana.

A December half with a 711-foot net drop along a San Diego bike path, a single real climb near mile 1.5, and a field that sells out most years.

Thailand's Platinum Label half combines a deep competitive field, controlled entry standards, and a hot coastal road challenge in Chon Buri.

A December half marathon with real hills by Florida standards, finishing downhill through historic downtown Mount Dora after miles along Lake Dora.

Thirteen flat miles on the Galveston seawall beside the Gulf, run in Santa hats at sunrise, where wind off the water is the only real variable.

Cool December conditions, a large lottery field, a three-hour cutoff and a separate half-marathon finish shape this capital-city race through Taipei.

Brazen's January 1 trail half at Lake Chabot climbs about 2,100 feet on mostly dirt trails and pairs with the New Year's Eve race for a double medal.

Road and trail meet on this rugged Oregon Coast half, starting at South Beach State Park, crossing Wilder trails and ending with an optional plunge.

A New Year trail half inside Griffith Park, roughly 90 percent dirt, that front loads its climbing and hands runners a long downhill finish.

Run through working orange groves at California Citrus State Historic Park, this January half sells out and finishes with fresh squeezed juice and mimosas.

Tromsø's Arctic half is run in blue polar-night light, where snow, ice, wind, and layered clothing matter more than chasing a conventional road time.

Bangkok Marathon's dedicated 21.1K uses a Grand Palace start and finish, an overnight schedule, and a generous four-hour cutoff for runners.

NN Egmond Half Marathon combines North Sea beach running, exposed dunes and village roads in one of the Netherlands' most distinctive winter races.

A ferry ride from Hilton Head leads to this island half through Haig Point, Freeport and Church Road, with beach miles and an all-day picnic finish.

North Carolina's wildest January trail half sends runners across the Reedy Fork River twice, with conditions that have ranged from 85 degrees to sheet ice.

Houston’s elite-caliber half pairs a flat, fast urban course with deep fields, polished winter-race logistics, and a downtown finish in January.

Naples Half Marathon offers a flat winter road race through palm-lined neighborhoods near the Gulf, with a long history of fast Florida fields.

Key West Half Marathon passes Duval Street, the Southernmost Point and Smathers Beach on a flat island course built around a winter run-cation.

Rock 'n' Roll Arizona Half Marathon opens the year with a desert-city route through Tempe, Scottsdale, and Phoenix, finishing at Tempe Beach Park.

Formerly the 3M Half, Austin’s signature winter half uses a point-to-point, net-downhill route designed for a fast downtown finish and quick times.

The Classic half runs the full length of a barrier island, from Pass-A-Grille to North Beach, on a certified January course where Gulf wind is the variable.

Mumbai's qualification-gated half starts at Mahim Reti Bunder and runs point to point through South Mumbai amid a vast, high-energy race day.

Red Rock Canyon's paved scenic drive gives this Las Vegas half a dramatic Mojave backdrop of sandstone, desert vegetation and sustained hills.

Burj2Burj Half Marathon is a mostly flat, closed-road Dubai race with a three-hour limit, a global field, and a skyline-focused city experience.

Chicago's winter half sends runners out and back along the lakefront path from Soldier Field, where wind off Lake Michigan matters more than the hills.

Getafe City International Half Marathon offers a flat, certified single lap through Getafe, with a stadium finish, pacers, and a 6,000-runner cap.

Miami's large winter half crosses the MacArthur Causeway before returning downtown, mixing waterfront views with humidity, bridges, and dense crowds.

Marrakech International Half Marathon pairs a flat, fast city race with palm-lined Palmeraie miles, mild winter conditions, and a global field.

Osaka's fast, competitive half pairs a noon start and deep Japanese club field with strict checkpoints and a stadium finish that rewards sharp pacing.

Shinjuku City Half Marathon brings a locally rooted urban race to central Tokyo, anchored by the National Stadium and a broad community program.

The original Best Damn Race is a flat, fast Tampa Bay half along Safety Harbor's waterfront, running Bayshore Drive to Philippe Park since 2012.

An all-dirt half marathon on the main Griffith Park trails, run in February with posted prize money and a bonus for the first runner to the last hilltop.

RunSedona pairs a hilly half-marathon course with close Red Rock views, rewarding measured pacing on one of Arizona's distinctive winter races.

Women's only half marathon in the Florida Keys, run flat and out and back from Robbie's of Islamorada, with lottery entry and a 4.5 hour cutoff.

A flat Pacific Coast Highway half passes Huntington Beach Pier and Bolsa Chica, offering ocean views, a roomy cutoff, and real wind exposure.

A one-mile loop in Dublin makes this winter half easy to crew and spectate, with frequent fluid access and a controlled tune-up format for spring goals.

Daytona Beach Half Marathon pairs Atlantic shoreline scenery with a distinctive circuit through Daytona International Speedway and nearby roads.

A flat Valentine's weekend half marathon in Irving on Las Colinas Boulevard and the Campion Trail, starting and finishing at Toyota Music Factory.

Mesa offers a gently descending desert half with mountain views, citrus groves, frequent aid, pacers, and a Riverview Park finish for fast times.

A February beachfront half on the Alabama coast, starting and finishing at The Hangout in Gulf Shores with a food and beer party built into entry.

February singletrack at Island Lake Recreation Area, run on whatever winter leaves behind, with a mid morning start and a ruck division alongside runners.

Barcelona's huge, fast half combines a flat city circuit, deep international racing, and dense corrals that reward smart seeding and patient early pacing.

A flat, fast winter half marathon in Palm Desert that uses mid-February desert conditions for early-season speed, with 10K and 5K races alongside.

The west Michigan winter trail half at Yankee Springs is known for one thing above all, a cold river crossing that runners can skip with a short detour.

A rare night half closes the Las Vegas Strip from New York-New York to the Bellagio, trading quiet PR conditions for neon, music, and spectacle.

Naples' fast half links Mostra d'Oltremare with seafront and historic-city roads, pairing mild winter racing with detailed entry requirements.

A late winter Peachtree Road Race qualifier, this USATF certified Augusta half climbs from the university campus into Summerville before dropping downtown.

A net downhill half marathon on the paved Swamp Rabbit Trail, running point to point from Travelers Rest into downtown Greenville with sellout demand.

Most of this Frostproof half runs on hard-packed red clay roads through citrus country on the Lake Wales Ridge, and finishers earn a race blanket.

Entry to a gated Savannah island community for one morning a year, this February half runs marsh views, river frontage and quiet Landings streets.

A flat late February half through a planned lakeside community south of Sarasota, starting and finishing in the middle of downtown Wellen Park.

A pre-dawn runDisney half through Walt Disney World mixes resort roads with character stops, entertainment, costumes, and themed race energy.

RomaOstia sends a deep point-to-point field from EUR toward the coast, with one notable mid-course climb, a fast final descent, and sea wind.

Run entirely inside Berry College's 27,000-acre campus, this northwest Georgia half sees no public roads and mixes pavement with dirt and gravel.

Downtown Orlando's flat, USATF-certified half starts and finishes at Lake Eola Park, with cobblestone stretches and nine aid stations along the way.

Havasu Half Marathon starts at London Bridge Beach, stays within 440 yards of the Colorado River, and crosses the London Bridge twice on a flat, fast 13.1.

An early March half marathon on Nashville's east-side greenways, based at Two Rivers Park instead of fighting for room in the downtown race calendar.

Richmond's spring half skips downtown for the James River, Pony Pasture and campus streets, with rolling terrain and a field well over a thousand.

The Lucky Leprechaun opens the Bluegrass racing season on paved Woodford County horse country roads, starting and finishing at Falling Springs in Versailles.

A capped greenway half on Cary's White Oak trail system, with a flexible start window, a hard turnaround cutoff and a companion race that adds up to 26.2.

Lisbon’s fast riverfront half begins with a rare race across the 25 de Abril Bridge, follows the Tagus, and finishes beside the Jerónimos Monastery.

Early March on the New Hampshire seacoast, run flat along Hampton Beach on one of New England's fastest half courses, with wind the main variable.

A March half on a southwest Florida barrier island, with one bridge climb at Goodland and a three-hour limit set by when the roads have to reopen.

Oro Valley's established spring half runs beneath the Santa Catalina Mountains, mixing desert scenery with a rolling course built for patient pacing.

Flat paved rail trail half marathon north of Seattle, run out and back on the Sammamish River Trail and the Eastrail from Wilmot Gateway Park.

Georgetown's half starts at the Rice Museum clock tower, crosses the Sampit River twice, and returns along the waterfront for a Maritime Museum finish.

St. Louis area runners get a car-free half on the paved trails circling Creve Coeur Lake, starting from Sailboat Cove near St. Patrick's Day weekend.

Hilo's coastal half follows the old shoreline road beside Hilo Bay, giving the Big Island weekend a scenic 13.1-mile race of its own in a tropical setting.

Bath’s fast, traffic-free two-lap half runs through the World Heritage city, backed by dense crowd support and a major charity tradition each spring.

Inverness Half Marathon blends Highland scenery, River Ness sections and a lively city finish in a long-running early-season Scottish road race.

Cambridge Half Marathon sends a large field past historic colleges and city landmarks on a fast, scenic, closed-road 13.1-mile course each spring.

A restored airplane hangar at Muskogee's old Hatbox Field frames the start and finish of this flat, certified Oklahoma half with a field near 100 runners.

Kansas City's northland half starts and finishes on the William Jewell College track and loops through historic downtown Liberty on closed city streets.

Sham-ROCK-N-Run sends a March field down Ocean Boulevard on a flat certified North Myrtle Beach course with live music stationed at every mile.

Washington's spring half starts near the National Mall and mixes monument views with Rock Creek terrain, live music, and a meaningful early cutoff.

Owensboro's Wendell Foster Half draws a 500 plus field to a flat riverfront and downtown course with road closures, prize money, and push rim divisions.

Clermont is known for its hills, but this one stays flat: an out and back on the South Lake Trail beside the water, starting early to get ahead of the heat.

Swansea's coastal half offers a fast, low-elevation route from the city waterfront toward Mumbles, backed by a large Welsh running community.

Reading Half Marathon combines town streets, university surroundings and a stadium finish in one of southern England's established spring races.

Syracuse Half Marathon offers a certified 13.1-mile city race in early spring, pairing downtown energy with the region's persistent rolling terrain.

A sellout Palm Beach County half that runs out and back over the Blue Heron Bridge with views of Peanut Island, MacArthur Beach and the ocean.

Mill Town Half Marathon starts at the Port of Everett and runs closed roads over the SR 529 drawbridge, with Puget Sound and Olympic Mountain views throughout.

Downtown Tulsa streets and several miles of paved riverfront trail on a USATF certified course, run out of a brewery start line each spring.

Sihanoukville's seaside half mixes beach and downtown roads with real climbing, creating a hotter and slower test than a flat coastal resort race.

Brenham's country-road half runs pastureland outside town and saves a steep climb for the finish, where Blue Bell hands out unlimited ice cream.

Chicago's April half runs almost entirely on the lakefront trail from Montrose Harbor, a flat certified course with lake wind as the main wildcard.

Winston-Salem's craft beer half is genuinely hilly, with a timed climb in mile 12 and a downtown block party waiting at the Foothills Brewpub finish.

The Greater St. Louis Half builds a downtown city tour around landmark miles, running-club energy and a finish celebration in the Gateway City.

One of the Southeast's biggest women's road races, running Savannah's historic squares and live oak lined streets from a start at Forsyth Park.

South Africa's biggest half runs from Newlands through the southern suburbs to UCT, with ballot entry, strong crowds, and a demanding late climb.

Berlin’s flat, record-friendly SuperHalfs course turns broad central boulevards and major landmarks into a fast urban sightseeing tour each spring.

Movistar Madrid Half Marathon is a major central-city race with a certified course, monumental landmarks, rolling terrain, and a deep mass field.

A charity-led closed-road half through Westminster and the City packs major London landmarks, dense waves, and a Trafalgar Square finish into 13.1 miles.

Warsaw Half Marathon combines an elite-label road race, a huge field, and a fast capital route that crosses the Vistula before a stadium finish.

A capped spring half on the Bagnell Dam Strip, with a downhill opening mile and a certified out and back through Lake of the Ozarks shoreline roads.

Outlaw Half Marathon runs Texas Hill Country back roads outside Fredericksburg and finishes at the Luckenbach post office with cold beer and live Texas music.

Sunset Beach sends its half over the intracoastal bridge and down the full length of the island, a coastal North Carolina course with one real climb.

One of California's flattest half marathons, this Mission Bay loop holds total climb near 165 feet and brings a few thousand runners to the San Diego coast.

Atlantic City's spring half runs out and back along the Boardwalk and the Chelsea and Ventnor blocks on a flat oceanfront course with a four-hour limit.

Cheshire's flat spring half connects local roads with long stretches of the historic Farmington Canal Trail for a fast Connecticut course built for speed.

Platte River Half Marathon is a paved out and back along the South Platte through Littleton, Englewood, Sheridan and Denver with about 300 feet of total gain.

Honolulu’s signature half starts in Waikiki before dawn, follows the waterfront, and saves its defining Diamond Head climb for late in the race.

Carmel's half shares a compact City Center start and finish with marathon weekend, simplifying logistics on a fast suburban Indiana road course.

Roanoke's mountain roads turn this half into a climbing test, pairing Blue Ridge scenery with a downtown finish on a deliberately hard course.

Newport Rhode Races Half Marathon features oceanfront roads, historic estates and a separately timed 13.1-mile tour of coastal Rhode Island.

Central Oregon opens its season along the Deschutes River on a route about three-quarters paved path and one-quarter dirt, finishing at Riverbend Park.

A steep opening beside Horsetooth Reservoir gives way to a net-downhill finish on the Poudre Trail at New Belgium Brewery in Fort Collins, Colorado.

Mountains 2 Beach Half Marathon runs from the Ojai Valley toward coastal Ventura, using a net-downhill route with mountain and ocean scenery.

The SARR Fiesta Mission Run traces the Mission Reach river trail out of Mission County Park, anchoring San Antonio RoadRunners' oldest race weekend.

Vienna's large city half starts over the Danube with the marathon, follows a fast 44-meter profile, and finishes on the Ringstrasse by the Burgtheater.

Estes Park sits at 7,522 feet, and this road half adds 1,050 feet of climbing before dropping runners into the Bigfoot Days festival in Bond Park.

Canaan Valley stages its half twice in one weekend, Saturday and Sunday, from a West Virginia resort above 3,000 feet, with a two day challenge on offer.

A converted Southern Pacific rail grade at the base of Shasta Dam gives this north state half an even surface, a capped field, and a 3:15 cutoff.

Nashville's music-heavy half runs from Broadway to Nissan Stadium through rolling city neighborhoods, where hills and possible spring warmth shape pacing.

Pacers' Old Town Alexandria half grew out of the Parkway Classic ten-miler and spends about five miles each way on the George Washington Parkway.

Ocracoke has no bridge to the mainland, so this flat island half starts with a ferry ride and finishes on village streets at the end of the Outer Banks.

A modern Brooklyn borough tour runs from Williamsburg and the East River waterfront to a celebratory finish inside Prospect Park each spring.

The Owens Corning Half uses Glass City weekend's flat Toledo roads and University of Toledo finish, making it a practical spring PR target on race day.

Fort Mountain hands this north Georgia half a net drop of more than 2,000 feet, with seven miles of sustained downhill on a USATF certified route.

A downtown Topeka start sends this half through the city's historic neighborhoods and onto the Shunga Trail, under a 16 minute per mile permit cutoff.

Great Birmingham Run Half Marathon tours city landmarks and south Birmingham parks before a lively finish at Aston University each May on a mixed city route.

A women's half marathon in Des Moines that pairs a flat downtown start with a loop of Gray's Lake, run the morning after a Saturday evening 5K.

Frederick Running Festival Half Marathon mixes historic city streets and nearby neighborhoods in a popular, rolling spring race west of Baltimore.

Sydney's landmark half marathon pairs a huge city field with harbour views, central streets, the Cahill Expressway, and a memorable Domain finish.

Costumes are half the point in Morristown, but the race runs seriously, with pace groups from 1:45 to 2:45 and a strictly enforced three-hour course limit.

Gloucester's spring half runs Cape Ann's back shore from Good Harbor Beach, with the ocean in view for most of a USATF-certified 13.1 and a capped field.

Singletrack half marathon inside a northeast Iowa state forest, with ridge climbs, valley overlooks, and a volunteer fundraiser weekend around it.

An all-women field follows the Deschutes River Trail in Bend, mixing pavers, soft path, and dirt across two river crossings and a Riverbend Park finish.

Indianapolis’ storied half combines a flat city course with a full lap of the Indianapolis Motor Speedway and its Yard of Bricks tradition on race day.

Irving's spring half loops Lake Carolyn and climbs Las Colinas Boulevard, starting and finishing at the Toyota Music Factory plaza with music on course.

Coastal views come with real climbing as La Jolla runs from Del Mar through Torrey Pines before descending toward La Jolla Shores in San Diego.

A point to point down the Swamp Rabbit Trail from Travelers Rest into downtown Greenville, finishing on the TD Stage in front of the crowds.

A May run through Great Bay estuary backroads in coastal New Hampshire, rolling rather than flat, with a margarita and a party waiting at the finish.

Rhode Island Half Marathon follows the East Bay Bike Path out of East Providence, a flat certified course with bay views and a field capped at 2,000.

Riga's fast half marathon brings a deep international road field to broad central streets, Daugava crossings, and a lively Baltic race weekend.

Hackney Half Marathon brings a festival-scale field through East London streets, pairing neighborhood energy with a dedicated 13.1-mile race.

Gothenburg’s enormous city half crosses two bridges, sweeps along the harbor and Avenyn, and finishes on the Slottsskogsvallen stadium track.

Manchester's mass-participation half combines a major city-center atmosphere, famous football landmarks, live entertainment, and a Deansgate finish.

Evergreen Half Marathon runs point to point down the paved Centennial Trail from Getchell Trailhead to Averill Field in Snohomish, a fast USATF certified 13.1.

Capped at 1,200 runners, this certified southeastern Wisconsin half rolls out from Cedarburg High School with Run Ozaukee pacers on a late-May morning.

Wheeling's long-running half is defined by repeated elevation changes, an old-school road-race feel and a downtown finish beside WesBanco Arena.

Buffalo's half uses city streets, parks and waterfront sections during a large Memorial Day weekend built around fast road racing and a downtown finish.

Edinburgh Half Marathon follows a fast net-downhill route from Scotland's capital toward the East Lothian coast on a major spring race weekend.

Ottawa's marquee half marathon tours Canada's capital, crossing between Ontario and Quebec before a crowd-backed finish near downtown landmarks.

DAM to DSM traces a point-to-point line from Saylorville Dam through Polk County fields and river neighborhoods to downtown Des Moines on a historic route.

Two loops of undulating park asphalt under heavy tree cover at Lake Norman State Park, where early June heat matters more than the modest elevation.

Downtown Wabash and a new river trail carry this June half, mixing road, paved path, and crushed gravel, with cash going to the top two finishers.

Chicago's major standalone half loops through West Side parks and boulevards, pairing a fast urban course with a deep field and neighborhood energy.

Nine of the 13.1 miles run on flat crushed gravel outside Boulder, with Flatirons views the whole way and altitude as the only real obstacle.

A flat out-and-back between Manitowoc and Two Rivers keeps Lake Michigan in view and gives this June half a simple shoreline layout for steady pacing.

A point-to-point half from Boardman through Mill Creek Park into downtown Youngstown, with parking at the finish and a shuttle out to the start.

Helsinki's standalone half marathon blends coastal roads, central-city scenery, cool Nordic conditions, and a welcoming field suited to varied goals.

Olomouc's evening half marathon pairs World Athletics Label depth with a fast route through a compact Baroque center and an energetic town-square finish.

The Brewery Express is an unsanctioned evening street half that runs open roads from Glendale through Bushwick and finishes with a pint in Ridgewood.

Phuket's sunrise half runs from Laguna through tropical roads and villages, combining destination-race scenery with heat and humidity that demand patience.

A prized point-to-point half follows Lake Superior into Duluth, sharing Grandma’s Marathon’s scenic downtown and Canal Park finish corridor.

Santa Clarita runs its Father's Day weekend half on the valley's separated paseo trails, finishing across the 130-year-old Iron Horse bridge.

Vancouver’s scenic point-to-point half runs from UBC to the Museum of Vancouver, mixing Pacific views, beachside roads, and late hills in early summer.

Missoula's point-to-point half moves from open Montana countryside to a downtown bridge finish on a flat, fast course with strong community support.

A July half on the Chattanooga Riverwalk built around heat management, with an eight-hour limit, unlimited ice, and aid open until the last finisher.

Crushed limestone rail trail out of Shippensburg makes this mid-July half flat and simple, run as an out and back on the Cumberland Valley Rail Trail.

Bogotá’s flagship 21K combines a huge international field and energetic capital-city course with the distinct challenge of racing at high altitude.

San Francisco's first half crosses the Golden Gate Bridge on a certified point-to-point route from the Embarcadero to a scenic Presidio finish.

San Francisco's second half starts in Golden Gate Park, drops through city neighborhoods and finishes fast along the Embarcadero waterfront.

Atlantic City's fall half pairs a flat Absecon Island route with oceanfront Boardwalk running during one of New Jersey's oldest race weekends.

Run Ocean Isle Beach circles much of this North Carolina barrier island, pairing a coastal community tour with broad oceanfront views and an island finish.

One of Georgia's largest half marathon fields runs this one at night, starting at 7 p.m. on a flat two-loop river course and finishing in the dark.

Dragons Den packs about 1,000 feet of climbing into a two-loop Pearsall Park half marathon, a mid-August San Antonio race built on heat and hills.

Mora sends a small August field onto paved Kanabec County farm roads, a central Minnesota half marathon with roots reaching back to the early 1980s.

An early bus ride up Provo Canyon sets up a paved point-to-point half that drops roughly 1,100 feet on its way down to the Utah Valley floor.

Rockford's RAMP River Run raises money for disability services with a USATF certified summer half marathon built around the downtown riverfront.

An evening half at Chambers Bay in University Place, run on wide paved loops with switchback climbs, Puget Sound views, and a 5 pm summer start.

Seneca Lake anchors this Finger Lakes half, which starts and finishes at the lakefront welcome center in Geneva and runs through wine country in August.

New Mexico's USATF half marathon championship runs flat and early from Balloon Fiesta Park, past bosque cottonwoods with the Sandias on the skyline.

Flagstaff's oldest race climbs out of Thorpe Park onto Observatory Mesa, running dirt roads between 6,950 and 7,730 feet under the San Francisco Peaks.

Heat is the opponent at this August San Joaquin Valley half, where 11 aid stations carry ice and the biggest fields in the Run The Valley series show up.

The Human Race Half Marathon has anchored Fort Collins running since the early 1980s, an August altitude test inside the Choice City Running Festival.

lululemon's SeaWheeze pairs a rolling Vancouver waterfront half marathon with lottery entry, 221 metres of climbing, and a Stanley Park festival.

Madison Mini-Marathon tours the Wisconsin capital, UW campus and Arboretum on a varied city course before a lively lakeside finish in midsummer.

A flat oceanfront half on the Noyo Headlands coastal trail in Fort Bragg, run each August to support Mendocino Land Trust conservation work.

Philadelphia running clubs score points instead of individuals at this Belmont Plateau trail half, where five distances share one August start line.

Runtastic Heber drops more than 3,300 feet from the Wasatch Mountains into Heber Valley, an all-downhill certified half marathon built for fast times.

Anaconda's hometown race puts a half marathon above 5,000 feet in Montana smelter country, with entry fees supporting local food access programs.

A flat out and back on Redmond's paved Sammamish River Trail, this summer half draws about 500 finishers and ends in a Georgetown Brewery beer garden.

Cleveland's beer hall half starts on East 17th Street downtown and ends in a Bavarian beer garden, with a 3.5 hour limit and a few hundred finishers.

Shade covers nearly all of this flat out-and-back on the paved Little Miami Scenic Trail, a rail-trail half near Cincinnati built for fast summer racing.

The Sunshine Coast half offers a fast, one-loop Queensland course beside the ocean, with mild winter conditions and a lively coastal finish.

Connecticut's oldest shoreline road race starts and finishes at Ocean Beach Park, pairing Long Island Sound views with a community food-drive entry.

Two laps of quiet farm roads outside Portland make the Pumpkin Ridge Run a USATF certified club half marathon with a strict three hour time limit.

The only race through Port Oneida's historic farmsteads inside Sleeping Bear Dunes, this half marathon mixes trail, gravel, pavement, and one long climb.

A flat, fast, USATF certified course and a hometown youth club cause have kept Run Mahomet's half marathon going for three decades in central Illinois.

Napa to Sonoma runs point to point through vineyard roads and rolling wine-country terrain before finishing in Sonoma Plaza with a wine festival.

Run Melbourne follows a certified one-lap course past the Yarra, Docklands and the Tan before finishing inside Melbourne Park in the heart of winter.

Mexico City's signature half marathon pairs a massive field with high-altitude racing and a landmark finish at the Ángel de la Independencia.

The Gold Coast half pairs a flat, fast Broadwater course with an early winter start, polished production, and a deep international field on race weekend.

Zermatt's mountain half climbs 1,363 meters from the village to Riffelberg, with almost no downhill and a Matterhorn backdrop along the route.

The Marine Corps Historic Half pairs Fredericksburg landmarks with a demanding climb up Hospital Hill and race-day support from U.S. Marines.

Brooklyn’s classic point-to-point half links Prospect Park with a straight, fast push down Ocean Parkway and a Coney Island boardwalk finish.

Pittsburgh's popular half marathon crosses all three rivers, links landmark bridges and neighborhoods, and finishes amid the energy of downtown.

Gifu's 10,000-runner half starts and finishes at the Memorial Center, pairing a certified Nagara River route with wave starts and firm checkpoints.

Istanbul's fast half traces the Historic Peninsula from Yenikapı past Galata Bridge and the Golden Horn, with qualified entry and little elevation change.

Prague's Elite Label SuperHalf sends 17,000 runners through the historic city on closed roads, with deep pacing groups and real personal-best upside.

The United Airlines NYC Half runs from Brooklyn to Central Park, crossing the Brooklyn Bridge before a rare race-day trip through Times Square.

Paris' enormous spring half runs from Boulevard Saint-Germain to Bastille, pairing landmark-heavy city racing with crowded waves and fast potential.

Guadalajara's Platinum-label half brings 23,000 runners to a certified Minerva-area road circuit with elite depth, early starts, and firm cutoffs.

A famously fast half on Al Marjan Island pairs world-class racing and smooth, flat roads with coastal wind and warm Gulf conditions to manage.

Marugame's elite-label half is a serious Japanese road race with deep fields, a stadium start and finish, and checkpoints that demand committed pacing.

A huge ballot half through Hong Kong combines wave starts, harbor-city infrastructure, and a Victoria Park finish with tightly managed cutoff logistics.

A huge resort half marathon through Walt Disney World pairs character stops and early-morning park miles with a welcoming three-hour-plus pace window.