Capital City River Run Half Marathon
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.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 28, 2026.
Quick facts
- 33rd running of Lansing's signature fall half marathon, with an 8:00 a.m. Sunday start.
- Recent editions have drawn roughly 650 to 700 half marathon finishers.
- Chip timed by the Michigan Running Foundation, with a 5K and Saturday kids races on the same weekend.
- Entry fees benefit the Impression 5 Science Center in downtown Lansing.
2026 Capital City River Run Half Marathon registration
Registration for the 2026 Capital City River Run Half Marathon runs through the official registration page at runsignup.com.
About the Capital City River Run Half Marathon
The Capital City River Run is Lansing's signature fall road race and reaches its 33rd running in 2026. It draws close to 700 half marathon finishers a year and raises money for the Impression 5 Science Center. Chip timing is handled by the Michigan Running Foundation.
Course
The half starts on Michigan Avenue in front of the Lansing Center and finishes downtown near Grand Avenue and Adado Park. The route links city streets with the eight mile Lansing River Trail, running past Potter Park Zoo, Crego Park, and Hawk Island on tree-lined pavement and pedestrian bridges. Surfaces are paved throughout and the profile stays close to flat.
Race-day weather
Mid September mornings in mid-Michigan usually start in the 50s and warm through the race. Expect cool river air early, occasional fog over the trail sections, and a real chance of rain.
Past Capital City River Run Half Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, September 20, 2026 | Upcoming | — |
Capital City River Run Half Marathon FAQ
When is the Capital City River Run Half Marathon?
The 2026 Capital City River Run Half Marathon is on Sunday, September 20, 2026.
How do I register for the Capital City River Run Half Marathon?
Register for the Capital City River Run Half Marathon through the official registration link: marathonscout.com/go/capital-city-river-run-half-marathon/register. It opens the race registration page at runsignup.com.
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