Sun, Nov 8, 2026

MO' Cowbell Marathon/Half-Marathon/10K/5K

Saint Charles, MO

Registration openAnnual since at least 2020
MarathonHalf Marathon10K5KMarathonHalf Marathon

Entry is $67 now and rises to $75 after Nov 6, 2026, so registering before then saves $8.

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About the MO' Cowbell Marathon/Half-Marathon/10K/5K

The courses in Saint Charles are flat, which draws runners chasing a personal best alongside those just getting comfortable with the distance. There are enough event options to suit different goals and different days. The post-race party has food and music, and the whole setup has the feel of a well-organized city race with a big finish-line crowd.

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Distances & Start Times

42.195K11/8/2026 07:30$127
21.0975K11/8/2026 07:30$112
10K11/8/2026 08:00$90
5K11/8/2026 08:00$67
26.2 Miles11/8/2026 07:00$35
13.1 Miles11/8/2026 07:00$35
10K11/8/2026 07:00$35
5K11/8/2026 07:00$35

Going for a Time?

Set a goal and get a pace band: every mile split on a card sized for your phone lock screen, so race morning needs no math.

Not sure what to aim for? The marathon pace chart lists the pace for every finish time.

Plan Your Trip

Where to Stay

Traveling for this race? The map shows hotels and rentals in and around Saint Charles — pan or zoom to compare what's nearby.

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