MO Cowbell Marathon

Saint Charles, Missouri, United States

Nov 8, 2026 - Sunday

5k, 10k, Half-marathon, Marathon

Race Information

Don't miss the fun and excitement of the MO' Cowbell Race.  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!

🏔 Run Pick of the Month: Vacation Races

Bucket List Racing Near America's Most Iconic National Parks

‼️ Many events sell out early.

Vacation Races hosts unforgettable 5Ks, half marathons, and ultras in incredible locations. Think Zion, Yosemite, Joshua Tree, Mount Rushmore and more.

Bucket list destinations. Multiple distances. Medals worth framing. 

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Race Facts

Race Size: 5,000 - 10,000

Elevation: Fast and Flat

Course Type: Road

Boston Qualifier: Yes

Kids Run: No

Where to Stay

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