John Bryan Trail Race

JUL
25
2026
Loop-format races at John Bryan State Park Arboretum in Yellow Springs feature a 1.1 mile loop repeated to form distances from 1.1 up to 13.2 miles, with water and aid available each loop and on-site restrooms.
Sat 25 Jul 2026
13 miles 10 miles 7 miles 3 miles

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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.

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
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