Join Us and Make Every Race a Milestone Worth Celebrating!

A Legacy of Racing Since '99

Ohio's Premier Running Series

Since 1999, the Ohio Challenge Series has been Ohio’s premier running series, uniting runners from across the state in a diverse range of races. From exhilarating 5Ks to endurance-testing full marathons, this series offers something for every runner! Experience the thrill of racing through Ohio’s scenic landscapes while challenging yourself and achieving your fitness goals.

Challenge Yourself

Push beyond your limits and discover what you’re truly capable of. The Ohio Challenge Series offers races that test your endurance, strength, and determination, from quick 5Ks to demanding half marathons.Score points based on your finish place and race participation while competing for the OCS Title. Whether you’re chasing a personal best or simply looking to conquer a new distance, this series is your chance to rise to the challenge. Every race is a new opportunity to grow, both mentally and physically, while enjoying the support of Ohio’s vibrant running community. Are you ready to take on the challenge?

Celebrate the milestones

Every race is more than just a finish line—it’s a celebration of your progress and perseverance. The Ohio Challenge Series recognizes your hard work with awards that honor both overall and age-group performances. For the top 3 male and female finishers in the 5K, 10K, Half Marathon, and Competitive Walk, as well as age-group winners from 9 & under to 80 & over, gift cards are awarded to the top 3 finishers. Whether you’re racing for a top spot or simply aiming to improve, there’s always a reason to celebrate your milestones along the way!

OHIO CHALLENGE SERIES
BY THE NUMBERS

RACE DISTANCES
0

Compete in any or all of the 4 OCS Race Distances 5K, 10K, Trail 10, Half Marathon & Competitive Walking.

MEMBER EVENTS​
0 +

There’s an event for everyone! Choose from over 60 races supporting various causes, all while reaching your personal goals.

ATHLETES​
0 +

Join over 250 dedicated athletes! Whether you’re a seasoned runner or new to racing, you’ll be part of a vibrant community.

Meet Our Sponsors

Support Ohio’s premier running series and connect with a community of dedicated athletes across the state. By sponsoring the Ohio Challenge Series, your brand gains visibility at over 60 events, engaging thousands of runners and spectators. Showcase your commitment to health, fitness, and community while driving brand awareness and loyalty. Join us as a partner and be a part of Ohio’s running legacy! – [email protected]

2024 Celebration Banquet

Jan 19th, 2025
Uniontown Ohio

Celebrate your 2024 season accomplishments at the awards banquet!

(1 Free entry per series entrant)