Hootenanny Endurance Run Backyard 2026
Hootenanny Endurance Run Backyard is a backyard ultra in Gregory, MI on October 17, 2026. A 4.167-mile yard every hour until one runner is left. See its course record, hour cap and past editions on Find My Ultra.
- Format
- Backyard ultra — a 4.167-mile yard every hour until one runner is left
- Gain per yard
- Not published
- Course record
- 24 yards (100 mi), 2024
- Hour cap
- Not published