4th If You're Not First, You're Last Backyard Ultra
4th If You're Not First, You're Last Backyard Ultra is a 20-hour timed race in Eagle, ID, United States, taking place on Sep 11 – Sep 12, 2026.
- Date
- Sep 11 – Sep 12, 2026
- Duration
- 20 h
- Location
- Eagle, ID, United States
- Format
- Timed race