Logo

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.

United States Ohio Willoughby

Race information

Website Registration
24 km
65 m+
24 Hours
Visit the organization's website for the most recent information.
Trail runs nearby

EDWINS Run for Re-Entry - Trail Run Grind

Shaker Heights - 13 mi from Willoughby

The EDWINS Run for Re-Entry - Trail Run Grind & Fun Run is an annual event held in Cleveland, Ohio, supporting the EDWINS Leadership & Restaurant Institute. Participants can choose between a challenging Trail Run Grind or a beginner-friendl..

Run with Scissors

Boston Township - 28 mi from Willoughby

Event overview Run With Scissors is a road and trail running event near Kendall Lake Lodge in Peninsula, Boston Township, Ohio. The event offers several entry categories and lists registration closing on Wed, Oct 22. Awards are given in Ove..

Chippewa Creek Challenge

Brecksville - 25 mi from Willoughby

The Chippewa Creek Challenge is a half marathon trail race held in the scenic Brecksville Reservation, part of the Cleveland Metroparks in Ohio. Scheduled for October 25, 2025, this event offers runners a challenging course featuring varied..

Conquer the Castle Trail Race - Willoughby Hills, OH

Willoughby Hills - 3 mi from Willoughby

...

Conquer the Castle Trail Race returns to AB Williams Memorial Woods in North Chagrin Reservation, Mayfield, Ohio. The multi-distance event offers 5K, 10 Mile, 20 Mile, 50K, 100K, and a 20 Mile Ruck option. The course is a 16.7 km loop (10.3..

Viking Relays & Races

Cleveland - 18 mi from Willoughby

Viking Relays & Races is a Cleveland, Ohio running event now in its third year, held on November 1, 2025. The day offers multiple challenges, including a 4 Mile Run, a 4 Mile Relay, and longer endurance options: a 2 Hour Run, a 4 Hour Run,..

Turkey Trails - Cleveland

Cleveland - 18 mi from Willoughby

Turkey Trails- Cleveland is a Thanksgiving-themed, family-friendly running event held at Clark Field in Cleveland (320 Clark Ave, 44113). The day offers multiple distances: 5k and 10k road courses, a 1-mile untimed option, a Kids Dash, plus..