What is the Ohio Challenge Series?

Since 1999, the Ohio Challenge Series has been Ohio’s premier running experience, uniting runners of every level to compete, connect, and embrace new challenges across an exhilarating lineup of races. This point based race series is designed help you challenge yourself while celebrating every milestone when you cross that finish line.

The Ohio Challenge Series Mission

With races held across Ohio, the Ohio Challenge Series makes it easy to find your next favorite event. Whether you’re aiming for a personal best or embracing the camaraderie of Ohio’s running community, the series has something for you. Each race invites you to push your limits, celebrate your journey, and be part of Ohio’s enduring running legacy—all while supporting meaningful local causes through registration and donations.

Why Choose the OCS?

We want to provide an lively lineup of events from across Ohio, each with it’s own unique character but all offering a consistently excellent experience where runners know they will have a motivating environment and awesome community to celebrate with after each race. Whether you’re here to compete and earn points toward a season end Age Group title, or you just want that juicy OCS swag and race discount, the Ohio Challenge Series is a no-brainer for runners and walkers of all ages!

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