MO' Cowbell Half Marathon
MO' Cowbell Half Marathon runs from historic St. Charles toward the Missouri River, mixing long flat stretches with a decisive late two-mile climb.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 23, 2026.
Quick facts
- Sunday race on November 8, 2026
- Mostly flat first ten miles
- Late two-mile hilly section
- Frontier Park finish
2026 MO' Cowbell Half Marathon registration
Registration for the 2026 MO' Cowbell Half Marathon runs through the official registration page at runsignup.com.
About the MO' Cowbell Half Marathon
MO' Cowbell's nonprofit weekend gives the half its own entry, scoring and course within a four-distance program in St. Charles.
Course
Nearly ten flat miles precede a hilly Little Hills Expressway segment, then the final mile descends toward Frontier Park and Main Street.
Race-day weather
Early November is often cool, but exposed riverfront miles can be windy and a cold rain may make the late hills feel sharper.
Past MO' Cowbell Half Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, November 8, 2026 | Upcoming | — |
| 2025 | — | Completed | Open results |
MO' Cowbell Half Marathon FAQ
When is the MO' Cowbell Half Marathon?
The 2026 MO' Cowbell Half Marathon is on Sunday, November 8, 2026.
How do I register for the MO' Cowbell Half Marathon?
Register for the MO' Cowbell Half Marathon through the official registration link: marathonscout.com/go/mo-cowbell-half-marathon/register. It opens the race registration page at runsignup.com.
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