Half Marathon · Month guide

October Half Marathons

October is the busiest month in the half marathon calendar, with cool-weather goals, large city fields, and destination races sharing the same few weekends. Runners can use this collection to compare timing, travel, and race scale before committing to a fall start line.

Showing all 115 races in this collection. Updated August 2026.

Notable race guides: Cardiff Half Marathon, Valencia Half Marathon Trinidad Alfonso Zurich, TCS Toronto Waterfront Half Marathon, and Detroit Free Press International Half-Marathon.

  1. 01Bellin Women's Half MarathonSaturday, October 3, 2026Green Bay, WisconsinA 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.Guide
  2. 02Evansville Half MarathonSaturday, October 3, 2026Evansville, IndianaEvansville Half Marathon tours downtown, historic Bosse Field, Garvin Park and the Pigeon Creek Greenway on a gently rolling 13.1-mile route.GuideResults
  3. 03Great South Bay Run Half MarathonSaturday, October 3, 2026Bay Shore, New YorkFour decades of South Shore racing move several hundred runners through downtown Bay Shore and the Brightwaters canals to a finish facing Fire Island.Guide
  4. 04Harrisonburg Half MarathonSaturday, October 3, 2026Harrisonburg, VirginiaFully paved Shenandoah Valley half from Westover Park through city parks, golf course paths and neighborhoods, with a two-leg relay on the same route.Guide
  5. 05JELL-O Half MarathonSaturday, October 3, 2026Le Roy, New YorkLe 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.Guide
  6. 06Long Grove's Oktoberfest Half MarathonSaturday, October 3, 2026Long Grove, IllinoisThis north suburban Chicago half runs through downtown Long Grove on a USATF-certified course and ends at an Oktoberfest party with beer and brats.Guide
  7. 07Rim to Rim Royal Gorge Trail Half MarathonSaturday, October 3, 2026Canon City, ColoradoA 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.Guide
  8. 08The Race Half MarathonSaturday, October 3, 2026East Point, GeorgiaA half marathon built by Black Atlanta runners, routing through East Point, Westview, Oakland City, and other historically Black neighborhoods each fall.Guide
  9. 09AJ Bell Great Scottish Run Half MarathonSunday, October 4, 2026Glasgow, United KingdomGreat Scottish Run Half Marathon fills central Glasgow with a large field, urban landmarks and a fast closing stretch into Glasgow Green each autumn.Guide
  10. 10ASICS Manchester HalfSunday, October 4, 2026Manchester, United KingdomManchester's huge closed-road half pairs a famously flat Old Trafford course with deep crowds, fast pacing groups, and major-event energy all day.GuideResults
  11. 11Cardiff Half MarathonSunday, October 4, 2026Cardiff, United KingdomCardiff Castle, Penarth and Cardiff Bay anchor a fast SuperHalfs course backed by one of Britain’s strongest half-marathon crowds and a large field.GuideResults
  12. 12Fall Foot Half MarathonSunday, October 4, 2026Bend, OregonBend'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.Guide
  13. 13Generali Cologne Half MarathonSunday, October 4, 2026Cologne, GermanyCologne'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.GuideResults
  14. 14Great Balloon Chase Half MarathonSunday, October 4, 2026Albuquerque, New MexicoScheduled against Balloon Fiesta week, this flat Rio Grande valley half starts at Los Poblanos Fields with hot air balloons filling the sky overhead.Guide
  15. 15Greenway Half MarathonSunday, October 4, 2026Leetonia, OhioShuttle 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.Guide
  16. 16Historic Hillsborough Half MarathonSunday, October 4, 2026Hillsborough, North CarolinaA history minded North Carolina half past Hillsborough's colonial era landmarks, finishing with a gravel lap of the 1949 Occoneechee Speedway track.Guide
  17. 17Jersey Shore Half MarathonSunday, October 4, 2026Highlands, New JerseyOne 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.Guide
  18. 18Judgment Day Half MarathonSunday, October 4, 2026Bakersfield, CaliforniaThe 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.Guide
  19. 19Ocean Running Club's Seaside Half MarathonSunday, October 4, 2026Seaside Park, New JerseyLong-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.Guide
  21. 21Peace Officer Memorial Run Half MarathonSunday, October 4, 2026Modesto, CaliforniaEvery 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.Guide
  22. 22Portland Half MarathonSunday, October 4, 2026Portland, OregonPortland Half Marathon offers a supported city race through Oregon's largest city with a downtown start, river views and fall timing each October.GuideResults
  23. 23Poulsbo Half MarathonSunday, October 4, 2026Poulsbo, WashingtonA loop half through Poulsbo's Little Norway waterfront district on the Kitsap Peninsula, starting and finishing at Liberty Bay Waterfront Park in October.Guide
  24. 24Rock 'n' Roll San Jose Half MarathonSunday, October 4, 2026San Jose, CaliforniaRock '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.GuideResults
  25. 25Rock Reno Half MarathonSunday, October 4, 2026Reno, NevadaReno's only point-to-point half runs from the Swift Sportsdome through parks and Truckee River paths into downtown, finishing at Greater Nevada Field.Guide
  26. 26Run Hutchinson Island Half MarathonSunday, October 4, 2026Fort Pierce, FloridaA 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.Guide
  28. 28Wegmans Wineglass Half MarathonSunday, October 4, 2026Corning, New YorkWegmans Wineglass Half Marathon runs point to point from Campbell to Corning, pairing Finger Lakes roads with a fast, gentle net downhill finish.Guide
  29. 29Eversource Hartford Half MarathonSaturday, October 10, 2026Hartford, ConnecticutEversource Hartford Half Marathon links Connecticut's State Capitol, historic neighborhoods and riverfront on a certified city course each October.Guide
  30. 30Hernando Water Tower Half MarathonSaturday, October 10, 2026Hernando, MississippiA 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.Guide
  31. 31Hot Cider Hustle Lansing Half MarathonSaturday, October 10, 2026Lansing, MichiganA flat, paved-path half based at Hawk Island Park in Lansing, part of the fall cider series with proceeds going to Special Olympics Michigan.Guide
  32. 32Paris Mountain Half MarathonSaturday, October 10, 2026Greenville, South CarolinaA 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.Guide
  33. 33Queen Bee Half MarathonSaturday, October 10, 2026Cincinnati, OhioCincinnati'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.Guide
  34. 34Sandhill Crane All Trail Half MarathonSaturday, October 10, 2026Vandalia, MichiganAn 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.Guide
  35. 35The Driftless Half MarathonSaturday, October 10, 2026Lansing, IowaNortheast Iowa bluff country gives this half a point-to-point route on the Great River Road, including four gravel miles high above the Mississippi.Guide
  36. 36Willie McCool Memorial Half MarathonSaturday, October 10, 2026Lubbock, TexasNamed 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.Guide
  37. 37Zombie Half MarathonSaturday, October 10, 2026Anchorage, AlaskaAnchorage Running Club's October half runs one way from Goose Lake out to Kincaid Chalet on the Chester Creek and Tony Knowles Coastal trails.Guide
  38. 382XU Long Beach Half MarathonSunday, October 11, 2026Long Beach, CaliforniaLong Beach Half Marathon keeps the Pacific nearby for most of a flat, certified route through waterfront landmarks and coastal paths in October.GuideResults
  39. 39ASML Half Marathon EindhovenSunday, October 11, 2026Eindhoven, NetherlandsASML 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.Guide
  40. 40AthHalf Half MarathonSunday, October 11, 2026Athens, GeorgiaAthens' hilly hometown half rolls from downtown through Boulevard and Five Points to a finish lap inside Sanford Stadium, funding music and arts education.Guide
  41. 41Beneva Montreal Half MarathonSunday, October 11, 2026Montreal, CanadaBeneva 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.Guide
  42. 42Champion Mine Trail Race Half MarathonSunday, October 11, 2026Nevada City, CaliforniaA 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.Guide
  43. 43Cracovia Royal Half MarathonSunday, October 11, 2026Kraków, PolandCracovia Royal Half Marathon is a major 21.0975-kilometre road race through Kraków, with a large field and an autumn finish at TAURON Arena.Guide
  44. 44Empire State Half MarathonSunday, October 11, 2026Congers, New YorkRepeat 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.Guide
  45. 45Hot Cider Hustle Fort Wayne Half MarathonSunday, October 11, 2026Fort Wayne, IndianaFort 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.Guide
  46. 46Hyundai Lisbon Half MarathonSunday, October 11, 2026Lisbon, PortugalA 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.GuideResults
  47. 47Nantucket Half MarathonSunday, October 11, 2026Nantucket, MassachusettsNantucket's October half fills fast, sending a capped island field over beach roads, bike paths, and short sand patches from Bartlett's Farm.Guide
  48. 48Nike Melbourne Half MarathonSunday, October 11, 2026Melbourne, AustraliaNike Melbourne Half Marathon sends a large field through central Melbourne before a signature finish inside the Melbourne Cricket Ground each spring.Guide
  49. 49Northshore Half MarathonSunday, October 11, 2026Mandeville, LouisianaA 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.Guide
  50. 50Outway Half MarathonSunday, October 11, 2026Victoria, CanadaOutway Half Marathon starts and finishes by the Inner Harbour, pairing ocean views with a rolling tour of Victoria and Oak Bay each October.Guide
  51. 51Oxford Half MarathonSunday, October 11, 2026Oxford, United KingdomOxford Half Marathon presents a flat, closed-road tour of the university city, combining historic streets and a large sold-out field in October.Guide
  52. 52Oysho Royal Parks Half MarathonSunday, October 11, 2026London, United KingdomClosed roads through four Royal Parks carry this ballot-led London half past Buckingham Palace to a Kensington Gardens finish near Royal Albert Hall.GuideResults
  53. 53Sugar Land Half MarathonSunday, October 11, 2026Sugar Land, TexasFlat single-loop half outside Houston, run almost entirely on right turns from Smart Financial Centre, with no out-and-back miles to break rhythm.Guide
  54. 54Baltimore Half MarathonSaturday, October 17, 2026Baltimore, MarylandBaltimore Half Marathon starts at the Inner Harbor, crosses east Baltimore and joins the full for a shared city-festival finish each October.GuideResults
  55. 55Bilbao Night Half MarathonSaturday, October 17, 2026Bilbao, SpainBilbao's night half runs one illuminated city loop from San Mames toward the Guggenheim, mixing a festival atmosphere with rain-prone autumn weather.Guide
  56. 56Chicago Fall Classic Half MarathonSaturday, October 17, 2026Chicago, IllinoisChicago Fall Classic Half Marathon uses a USATF-certified paved trail course along the lakefront, giving autumn runners a fast city racing option.GuideResults
  57. 57Energy City Half MarathonSaturday, October 17, 2026Midland, TexasMidland's biggest road race pushes the half marathon off a working ranch and into Permian Basin neighborhoods before the West Texas sun gets high.Guide
  58. 58Hero Half MarathonSaturday, October 17, 2026Fayetteville, ArkansasHero Half Marathon gives Fayetteville runners a dedicated autumn 13.1-mile road race with community support, local rollers and a public-safety theme.GuideResults
  59. 59Ironclad Half MarathonSaturday, October 17, 2026Kinston, North CarolinaKinston'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.Guide
  60. 60Kansas City Half MarathonSaturday, October 17, 2026Kansas City, MissouriKansas City Half Marathon links major museums, entertainment districts and historic neighborhoods in a large, energetic autumn tour of the city.GuideResults
  61. 61Lake Washington Half MarathonSaturday, October 17, 2026Kirkland, WashingtonA Kirkland loop that starts and finishes at Juanita Beach Park, follows the Lake Washington shoreline, and comes with pacers and a certified course.Guide
  62. 62Twin Cities Hot Cider Hustle Half MarathonSaturday, October 17, 2026Bloomington, MinnesotaFall 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.Guide
  63. 63Urban Bourbon Half MarathonSaturday, October 17, 2026Louisville, KentuckyUrban Bourbon mixes a Louisville road half with Kentucky food, music and bourbon culture, ending in a downtown celebration for runners 21 and older.Guide
  64. 64Women's Running Festival Half MarathonSaturday, October 17, 2026Carmel, IndianaIndiana'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.Guide
  65. 65YMCA Sandbar Half MarathonSaturday, October 17, 2026Englewood, FloridaOne 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.Guide
  66. 66Antwerp Half MarathonSunday, October 18, 2026Antwerp, BelgiumAntwerp Half Marathon follows a measured 21.0975-kilometre urban route from Kattendijkbrug to the MAS, with low climbing and four aid stations.Guide
  67. 67Bethlehem Running Festival Half MarathonSunday, October 18, 2026Bethlehem, PennsylvaniaThe Sunday closer of Bethlehem's three day running festival, starting and finishing at SteelStacks and crossing the Fahy Bridge into the historic district.Guide
  68. 68Champlain Islands Half MarathonSunday, October 18, 2026South Hero, VermontChamplain Islands Half Marathon traces an out-and-back along South Hero and Grand Isle, passing farms, orchards and Lake Champlain cottages.GuideResults
  69. 69City to the Sea Half MarathonSunday, October 18, 2026San Luis Obispo, CaliforniaA 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.Guide
  71. 71Girlfriends Run Half MarathonSunday, October 18, 2026Vancouver, WashingtonA women-focused half from Vancouver Waterfront Park past Fort Vancouver, run for nearly two decades to raise money for breast cancer support.Guide
  72. 72Hot Cider Hustle Rochester Half MarathonSunday, October 18, 2026Rochester, MinnesotaMayo 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.Guide
  73. 73IMT Des Moines Half MarathonSunday, October 18, 2026Des Moines, IowaThe 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.Guide
  74. 74Just for the Helena of It Half MarathonSunday, October 18, 2026Helena, MontanaHelena'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.Guide
  75. 75Ljubljana Half MarathonSunday, October 18, 2026Ljubljana, SloveniaLjubljana Half Marathon gives runners a separately timed 21.1-kilometre tour of Slovenia's capital during its largest annual running weekend.GuideResults
  76. 76Main Street Half Marathon of HunterdonSunday, October 18, 2026Clinton, New JerseyPoint-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.Guide
  77. 77Mission Inn Run Half MarathonSunday, October 18, 2026Riverside, CaliforniaRiverside's Mission Inn Run has nearly five decades of history, and its half marathon tours downtown landmarks to benefit the Mission Inn Foundation.Guide
  78. 78Mizuno Amsterdam Half MarathonSunday, October 18, 2026Amsterdam, NetherlandsThe Netherlands' largest half runs from Stadionweg through eastern Amsterdam before delivering a stadium finish and a strict three-hour limit.GuideResults
  79. 79Motor City Half-MarathonSunday, October 18, 2026Detroit, MichiganDetroit's domestic half tours downtown, Midtown, Woodbridge, Eastern Market and Lafayette Park before finishing at Campus Martius Park on race day.Guide
  81. 81Reading Hospital Road Run Half MarathonSunday, October 18, 2026West Reading, PennsylvaniaRolling loop through the neighborhoods and parkland south of Reading Hospital, this pacer-supported West Reading half doubles as a hospital fundraiser.Guide
  82. 82Ridgefield Road Fest Half MarathonSunday, October 18, 2026Ridgefield, ConnecticutA Fairfield County fall fixture since the 1970s, the Ridgefield half runs two rolling loops through the south end before a fast downhill into town.Guide
  84. 84TMC A-Mountain Half MarathonSunday, October 18, 2026Tucson, ArizonaTucson's only locally produced half marathon climbs Sentinel Peak in the opening miles, then flattens out along the Santa Cruz Riverpath for the rest.Guide
  85. 85Tokyo Legacy Half MarathonSunday, October 18, 2026Tokyo, JapanTokyo Legacy Half Marathon uses a certified National Stadium course with a deep field, tight cutoff, and central Tokyo racing without marathon distance.Guide
  86. 86TUI Palma Half MarathonSunday, October 18, 2026Palma, SpainTUI Palma Half Marathon pairs a certified 21.1-kilometre road race with cathedral, marina and Mediterranean seafront views in Mallorca's capital.Guide
  87. 87Vedanta Delhi Half MarathonSunday, October 18, 2026New Delhi, IndiaVedanta Delhi Half Marathon brings an international elite field and a mass-participation 21.097-kilometre race to India's capital each autumn.Guide
  88. 88Wizz Air Rome Half MarathonSunday, October 18, 2026Rome, ItalyWizz Air Rome Half Marathon gives runners a fast 21.0975-kilometre course through the capital, with a large international field and landmark scenery.Guide
  89. 89Happy Girls Run Sisters Half MarathonSaturday, October 24, 2026Sisters, OregonPeterson Ridge singletrack carries this women's-focused half through central Oregon pine forest, on a capped field that fills before race week.Guide
  90. 90Hot Cider Hustle Shorewood Half MarathonSaturday, October 24, 2026Milwaukee, WisconsinA flat, USATF-certified late-October half on Milwaukee's Oak Leaf Trail from Estabrook Park, with cider and caramel apples waiting at the finish.Guide
  91. 91Jakarta Half MarathonSaturday, October 24, 2026Jakarta, IndonesiaJakarta's major festival half starts before dawn at Gelora Bung Karno, with a large city field, certified roads, deep humidity, and a generous cutoff.Guide
  92. 92Mackinac Island Great Turtle Half MarathonSaturday, October 24, 2026Mackinac Island, MichiganRun 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.Guide
  93. 93Michigan Monster Dash Half MarathonSaturday, October 24, 2026Milford, MichiganA Halloween half marathon inside Kensington Metropark, running a mostly flat shoreline course from Maple Beach with costumes all over the field.Guide
  94. 94Purdue Boilermaker Half-MarathonSaturday, October 24, 2026West Lafayette, IndianaPurdue students, alumni, and regional clubs fill this late October campus half, which starts outside Ross-Ade Stadium and mixes roads with city bike paths.Guide
  95. 95Run Rockaway Beach Half MarathonSaturday, October 24, 2026Rockaway Beach, New YorkA 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.Guide
  96. 96Seawitch Fall Half Marathon ClassicSaturday, October 24, 2026Lewes, DelawareSea 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.Guide
  97. 97The Innsbrook Half MarathonSaturday, October 24, 2026Innsbrook, MissouriCapped 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.Guide
  98. 98Big Easy Halloween Half MarathonSunday, October 25, 2026New Orleans, LouisianaClosed roads along the Lake Pontchartrain shoreline give this Halloween half a flat profile and a costume-heavy field well clear of the French Quarter.Guide
  99. 99Disney Wine & Dine Half MarathonSunday, October 25, 2026Lake Buena Vista, FloridaDisney 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.Guide
  100. 100Duneland Half MarathonSunday, October 25, 2026Chesterton, IndianaFlat rail trail half in northwest Indiana where entry stays cheap, the course holds a USATF certification, and finishers bank Race the Region points.Guide
  101. 101Hot Cider Hustle Green Bay Half MarathonSunday, October 25, 2026Green Bay, WisconsinGreen 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.Guide
  102. 102Hot Cider Hustle Omaha Half MarathonSunday, October 25, 2026Omaha, NebraskaZorinsky 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.Guide
  103. 103Lille Half MarathonSunday, October 25, 2026Lille, FranceLille Half Marathon brings runners through the metropolitan center on a flat 21.097-kilometre road course designed for fast autumn racing in northern France.Guide
  104. 104Malibu Moves Half MarathonSunday, October 25, 2026Malibu, CaliforniaMalibu'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.Guide
  105. 105Niagara Falls Half MarathonSunday, October 25, 2026Niagara Falls, CanadaNiagara 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.GuideResults
  106. 106Reservoir Run Half MarathonSunday, October 25, 2026Weston, ConnecticutWeston'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.Guide
  107. 107Seacoast Half MarathonSunday, October 25, 2026Portsmouth, New HampshirePortsmouth'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.Guide
  108. 108The Great GO! St. Louis Halloween RaceSunday, October 25, 2026Eureka, MissouriGO! 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.Guide
  109. 109Treasure Coast Halloween Half MarathonSunday, October 25, 2026Stuart, FloridaA 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.Guide
  111. 111Venice Half MarathonSunday, October 25, 2026Venice, ItalyVenice Half Marathon runs 21.097 kilometres from Mestre into the lagoon city, finishing beyond fourteen canal bridges at Riva Sette Martiri.Guide
  113. 113Galena River Fall Half MarathonSaturday, October 31, 2026Galena, IllinoisAn 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.Guide
  114. 114AmeriHealth Atlantic City Half MarathonSunday, October 17, 2027Atlantic City, New JerseyAtlantic City's fall half pairs a flat Absecon Island route with oceanfront Boardwalk running during one of New Jersey's oldest race weekends.Guide
  115. 115Run Ocean Isle Beach Half MarathonSaturday, October 23, 2027Ocean Isle Beach, North CarolinaRun Ocean Isle Beach circles much of this North Carolina barrier island, pairing a coastal community tour with broad oceanfront views and an island finish.Guide