O24 - Kirtland, OH
Willoughby, United States • 3-4 May 2025
The O24 is a 24-hour trail race held in Kirtland, Ohio, at the Lake Metroparks Chapin Forest Reservation. The event is suitable for both beginners and experienced ultra runners, offering a scenic course with a USATF-certified, IAU Bronze Label trail loop of approximately 1.002 miles. Participants can run any distance up to 24 hours, with live electronic chip timing and online results. Runners completing 100 miles or more earn a belt buckle, while all finishers receive race swag. The course features rolling terrain with limestone, dirt, and asphalt sections, providing a challenging yet beautiful environment for endurance running. Visit the organization's website for the most recent information.