John Bryan Trail Race

Yellow Springs, United States • 25 Jul 2026

John Bryan Arboretum Trail Half Marathon & Challenge

This event takes place at John Bryan State Park Arboretum in Yellow Springs, Ohio on 25 July 2026. The course uses a 1.1 mile loop that participants repeat to reach their chosen distance.

Distances offered include:

  • 1.1 Mile Fun Loop for beginners, walkers, and families
  • 3.3 Miles (3 loops)
  • 6.6 Miles (6 loops)
  • 9.9 Miles (9 loops)
  • 13.2 Miles (12 loops; half marathon distance)

Aid and facilities are located along the loop. A water and aid station is available every 1.1 miles, and park restroom facilities (park potties) are on-site. The course is described as a clear, easy-to-follow loop with frequent spectator presence.

The loop format gives runners repeated, consistent access to support and facilities during the event. This structure allows participants to monitor pacing and hydration at regular intervals and to complete the event by covering the required number of identical loops. Visit the organization's website for the most recent information.

Race information

13 mi
13.2 Mile Trail Run
10 mi
9.9 Mile Trail Run
7 mi
6.6 Mile Trail Run
3 mi
3.3 Mile Trail Run
1.1 Mile Fun Run
Visit the organization's website for the most recent information.
Trail runs nearby

Experience the diverse landscapes of Caesar Creek State Park with a range of trail races including 5K, 10K, half marathon, and relay options through scenic woods and meadows.

Trail races of 5K, 10K, and 15K at Oakes Quarry Park in Fairborn on May 25, 2026, featuring limestone cliffs, wooded trails, and quarry views. All finishers receive a medal and overall winners receive special awards.

An adaptive trail event at Russ Nature Reserve offering 1 mile, 2 mile, and 5K options; rolling starts accommodate walkers, runners, and wheelchair participants, with member fee waivers and on-site registration options.

Trail races at Oakes Quarry Park in Fairborn, Ohio on June 6, 2026 offering 5K, 10K and 15K courses through limestone cliffs and wooded quarry trails; overall winners receive awards and all finishers get a medal.

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