Marathon • Half-Marathon • 10K • 5K   |   Historic St. Charles, Missouri   |   Sunday, October 6, 2024

Race Registration

The hard work will pay off at the Finish Line! We can’t wait to celebrate you on 10.6.24!

Registration DatesFullHalf10K 5K
February$85$70$55$40
March – April$10585$68$47
May – July$110$90$73$52
August$115$95$78$57
September$120$105$85$63
ExMO’$125$115$90$70

Race Registration — pay by credit card for the lowest processing fees, immediate confirmation, and quick access to your runner profile! 


Can’t make it to MO’Cowbell, the flattest and fastest race in the St. Louis region? We will miss you but you can still be part of the fun! Sign up today as a Virtual Runner

Virtual Runner (Mail Bib & Medal)Virtual Runner (Mail Bib, Medal & Shirt)
$35$55

Terms & Conditions
Sale and/or transfer of race entries/bib numbers is strictly prohibited. All entry fees are non-refundable. Registration may be deferred toward a future event with MO’ Cowbell approval prior to race day.  Contact us directly at info@mocowbellmarathon.com.

Race officials may cancel, delay or change the event in case of extreme weather or other conditions that may affect the safety and health of the participants. In the event of race cancellation, refunds will not be issued. Sale and/or transfer of race entries/bib numbers is strictly prohibited.

Sunday, October 6, 2024REGISTER NOW