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.
We may earn a commission if you register through this link.
Quick facts
- Mostly flat first ten miles
- Late two-mile hilly section
- Frontier Park finish
- Exposed riverfront miles where wind can bite
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 | — | Results available | 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.
Featured collections
Found an official update?Send race details or links
Send us confirmed dates, registration links, results, live tracking, or course changes. Include the source link so runners can reach the right information.