4th NorCal Backyard Ultra
4th NorCal Backyard Ultra is a 31-hour timed race in Granite Bay, CA, United States, taking place on Oct 23 – Oct 24, 2026.
- Date
- Oct 23 – Oct 24, 2026
- Duration
- 31 h
- Location
- Granite Bay, CA, United States
- Format
- Timed race
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