MO' Cowbell Marathon/Half-Marathon/10K/5K
About this race
Don't miss the fun and excitement of the 15th annual MO' Cowbell Race on November 8, 2026! Four events to choose from on Sunday morning, the Marathon, the Half-Marathon, 10K or the 5K. Flat & fast courses, perfect for beginners or those who want to set a new personal best!
Registration for the Marathon, Half-Marathon, 10K, or the 5K includes:
- Commemorative performance long-sleeve swag
- One-of-a-Kind finisher medal
- FREE and convenient parking
- Free downloadable photos for all participants
- Two-day Health and Fitness ExMO' Packet Pickup
- Family friendly post race party with lots of food, fun, and music
Registration for the Virtual Run includes:
- 2026 One-Of-A-Kind Finisher Medal
- Shipping and handling of your medal to you
- Option to add on race swag
Pick your distance
Running
Marathon
Half Marathon
10K
5K
Virtual Marathon
Virtual Half Marathon
Virtual 10K
Virtual 5K
Typical race-day weather
Based on 17 years of Open-Meteo archive data for this event's race dates in Saint Charles, plus the 3 days either side.
The sun rises at 6:36 AM and sets at 4:54 PM local time (CST) in Saint Charles on November 8, 2026 — 10h 17m of daylight.
Course
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.
Reviews
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Results — MO' Cowbell Marathon/Half-Marathon/10K/5K
Other races near Saint Charles
Different organizers, within 40 miles, in the next three months
Run Witch Run
Yadi's Yummies' Barktoberfest new 5K & 1-mile Walk & Wag in the Park
5P Athletics Foundation 5K
Chesterfield Turkey Trot
🏃 Plan Your Next Race in Saint Charles
Find upcoming events by distance:
- Saint Charles 5K Races 5 races
- 10K Run Events in Saint Charles 4 races
- Saint Charles Half Marathons 4 races
- Saint Charles Running Calendar 2026 8 races
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, 10 Saint Charles events
Spotted something wrong? Tell us and we'll fix it.