O24 - Kirtland, OH

The O24 is a unique 24-hour trail race taking place in Kirtland, OH, at the scenic Lake Metroparks Chapin Forest Reservation. Celebrating its 13th year in 2025, this event welcomes both beginners and experienced ultra runners. Participants will navigate a USATF certified 1.00244-mile loop, primarily composed of crushed limestone and dirt, featuring a rolling terrain with a moderate elevation gain.

Runners can choose to compete for any distance within the 24-hour timeframe, with awards for various achievements, including medals and belt buckles. The event promises a vibrant atmosphere and live electronic chip timing for all participants. Visit the organization's website for the most recent information.