Race Discovery
Capital City River Run
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Capital City River Run

Lansing, Michigan, United States View on map
Sep 19, 2026 – Sep 20, 2026 (America/Detroit local time)
Running

About this race

2026 marks the 33rd anniversary of the Capital City River Run.

The Capital City River Run makes a real impact within the community, benefiting Impression 5 Science Center and its mission to provide children and families access to science exploration through hands-on exhibits and participatory programming. 

Annual races include a Half Marathon, 5K Walk/Run, and the Sohn’s Kid’s Race. All half marathon and 5K race participants receive a sweatshirt and finishers medal. The race will be chip timed by the Michigan Running Foundation and you can check your results during the race and on the web at Playmakers.com.

The kids races will take place on Saturday, September 19 at 11AM at Impression 5 Science Center. The one mile race will take place on the Lansing River Trail. All participants will be invited to spend the day at the Science Museum and enjoy a pizza party after the event. Participants of the event will get a goodie bag and a finishers medal.

The half marathon, and 5K races will start on Michigan Ave in front of the Lansing Center, utilizing Michigan Ave, Grand River Ave, MSU campus and the Lansing River Trail and will end on Grand Ave, utilizing Adado Park in downtown Lansing. Both races will start at 8AM on Sunday, September 20,

Packet Pick Up

Packet pick up will take place on Saturday, September 19 from 10:00 a.m. to 4:00 p.m. at Impression 5 Science Center in Lansing. Race day packet pick up will take place at Impression 5 Science Center in Lansing from 6:30 a.m. to 8:00 a.m. 

Pick your distance

Running

Sohn Kids Races - Mile and Sprint

Fun one mile challenge for your kids and a great way to support Impression 5 Science Center. Each registrant will receive a finishers medal and goodie bag. Ages 12 and under

Sep 19, 2026 1.6K 11:00 AM
$10.00
Open

Capital City River Run Half Marathon

Sep 19, 2026 Half-Marathon 8:00 AM
$81.00
Open

Capital City River Run 5K Race

Sep 19, 2026 5K 8:00 AM
$47.00
Open

Typical race-day weather

Based on 12 years of historical conditions on this event's race dates in Lansing.

Temp (°C)
Minimum temperature (race-day average) 14.4° / Maximum temperature (race-day average) 24.5°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 14.4° / Maximum feels like — heat index / wind chill (race-day average) 24.5°
Wind (km/h)
Average wind speed (race-day average)
17.3
Precip (mm)
Average precipitation (race-day average)
3.5mm
Humidity
Average relative humidity (race-day average)
71.0%

Course

Route map and elevation profile

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 62 Lansing events

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