Saint Charles

Name: MO Cowbell Marathon – Half – 5K – 10k
Start: 2026-11-08T06:30:00-06:00
End: 2026-11-08T15:00:00-06:00
Location: Frontier Park

June 2026
2026 Big Bam on the Katy

June 7 @ 8:00 am - June 13 @ 6:00 pm

Big Bam on the Katy is a cross state supported ride from Defiance to Clinton, MO. The event is scheduled in June. Multiple options will provide the opportunity for your perfect riding temperatures as you take in the finest of Missouri's scenery. Big Bam on the Katy - June June 7 - 13, 2026 Big […]
November 2026
MO Cowbell Marathon – Half – 5K – 10k

November 8 @ 6:30 am - 3:00 pm

Frontier Park 500 S Riverside Dr, St. Charles, MO, United States

The MO Cowbell marathon and 5k will be held on Sunday, October 5, 2025. This race is expected to draw in over 5,000 runners and just as many spectators, making it an extremely popular event year-after-year in St. Charles County and St. Louis. The course follows much of the Katy Trail near the St. Charles […]