John Bryan Arboretum Trail Half Marathon & Challenge

John Bryan State Park Arboretum Half Marathon & Loop Challenge Join us at the scenic John Bryan State Park Arboretum in Yellow Springs, Ohio for a unique loop-style running event designed for all fitness levels. The course is a 1.1-mile scenic loop, allowing runners to choose their distance and build their race one loop at a time in a highly supported environment. Distance Options: 1.1 Mile Fun Loop – great for beginners, walkers, and families 3.3 Miles (3 loops) – short distance challenge 6.6 Miles (6 loops) – mid-distance endurance 9.9 Miles (9 loops) – advanced training distance 13.2 Mi...

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