John Bryan Trail Race
Yellow Springs, United States • 25 Jul 2026
John Bryan Arboretum Trail Half Marathon & Challenge
This is a loop-format running event held at John Bryan State Park Arboretum in Yellow Springs, Ohio. The course is a measured 1.1 mile loop that runners repeat to reach their chosen distance. Runners may complete multiple laps to build the total distance.
Distances offered include:
- 1.1 mile fun loop for beginners, walkers and families
- 3.3 miles, complete 3 loops
- 6.6 miles, complete 6 loops
- 9.9 miles, complete 9 loops
- 13.2 miles, complete 12 loops
Course features include a clear, easy to follow loop layout and frequent access to support. A water and aid station is available every 1.1 miles, so each loop has refreshment access. Park restroom facilities are available on site. The format provides repeated access to the same support points and consistent footing around the loop.
The event description notes spectator presence and an encouraging atmosphere along the loop. The loop format creates a controlled and repeatable environment where runners have regular opportunities for hydration and restroom use between laps. Visit the organization's website for the most recent information.