8th Tartarus Backyard Ultra
8th Tartarus Backyard Ultra is a 18-hour timed race in Nine Mile Falls, WA, United States, taking place on Aug 15 – Aug 16, 2026.
- Date
- Aug 15 – Aug 16, 2026
- Duration
- 18 h
- Location
- Nine Mile Falls, WA, United States
- Format
- Timed race