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

Saturday, October 2 - Sunday, October 3, 2021 Saint Charles, MO 63301 US Directions
Weekend Challenge

Participate in the WEEKEND CHALLENGE by adding the Saturday Evening 5K during registration for your Sunday event.

  • In addition to the medals for each event you will receive special swag for completing the WEEKEND CHALLENGE.
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