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

A community 5K in Troy, Ohio on May 3, 2026, part of the Miami County Park District Trail Run Challenge, with multiple registration and pricing options, on-site check-in, health assessments, and awards by overall and age group.

This 10 km trail race is organized by the Ohio River Road Runners Club at George Rogers Clark State Park. Entry is free for club members and runners 14 and under, and just $10 for others. It's a chip-timed event with refreshments and age gr..

Hit the trails at John Bryan State Park on May 9 and 10, 2026, for scenic, challenging courses from 5K to a looping half marathon plus relays and a 6 hour challenge. Finish with a medal and aid stations; grab a Pack Pass for the season.

A six hour timed trail event at John Bryan State Park where runners complete as many 5K loops as they can; official completion requires at least four loops and results are by total loops completed.

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