John Bryan Arboretum Trail Half Marathon & Challenge
About this race
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 Miles (12 loops) – Half Marathon distance
Course Features & Support:
🚰 Water & aid station available every 1.1 miles (each loop)
🚻 Park restroom facilities (park potties) available on-site
🎽 Clear, easy-to-follow loop course design
👏 Frequent spectator support and encouraging atmosphere
🧭 Safe, controlled, and consistent race environment
This looped format keeps runners engaged and supported with frequent access to hydration and facilities, making it ideal for pacing consistency, beginners building confidence, and experienced runners chasing personal records.
Set in the natural beauty of John Bryan State Park, this event blends endurance racing with a welcoming community atmosphere where every loop brings you closer to your goal.
Pick your distance
Running
1.1 Mile Fun Run
3.3 Mile Trail Run
This will have a 1.1 mile loop. You will complete 3 loops for this Race.
6.6 Mile Trail Run
This will have a 1.1 mile loop. You will complete 6 loops for this Race.
9.9 Mile Trail Run
This will have a 1.1 mile loop. You will complete 9 loops for this Race.
13.2 Mile Trail Run
This will have a 1.1 mile loop. You will complete 12 loops for this Race.
Typical race-day weather
Based on 4 years of Open-Meteo archive data for this event's race dates in Yellow Springs, plus the 3 days either side.
The sun rises at 6:28 AM and sets at 8:55 PM local time (EDT) in Yellow Springs on July 25, 2026 — 14h 27m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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2026 results — John Bryan Arboretum Trail Half Marathon & Challenge
32 finishers across 5 distances · leading places in the 1.1 Mile Fun Run
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Lauren Koranek | 15:41 | 14:16 /mi |
| 2 | Brian Jackson | 16:20 | 14:50 /mi |
| 3 | Jessica Davis | 17:12 | 15:38 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
All results by year
Other races near Yellow Springs
Different organizers, within 40 miles, in the next three months
MVOC Pumpkin Hunt John Bryan State Park / Camp Birch
ORRRC Winter Solstice Trail Run
Legendary Lights 5K - 10K - Kids Run
Cross Country Coaches National Youth Championships
🏃 Plan Your Next Race in Yellow Springs
Find upcoming events by distance:
- Yellow Springs 5K Races 4 races
- Yellow Springs Running Calendar 2026 7 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 12 Yellow Springs events
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