Rio Linda, CA, United States · Saturday, March 27, 2027
Bad Ass Backyard Ultra
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
DUV results for the 2026 edition (25h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, March
Regional 2001-2020 average for March — NASA POWER, grid elevation 128 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 25h | 36 | Vincent Bilauca · 167.650 km | Sarah Sharpe · 167.650 km |
| 2025 | 18h | 23 | Vincent Bilauca · 120.708 km | Melissa Curley · 93.884 km |
| 2024 | 7h | 1 | Aubrey Stodghill · 46.942 km | — |
The field grew 57% between 2025 (23) and 2026 (36). 25% of the 2026 field were women.
DUV results for the 2026 edition (25h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for this trail race.
- Trail Running Shoes Cushioning on trail that is still there in the last quarter.
- Race Nutrition Self-supported fuelling between aid stations.
- Hydration Vests Flask capacity without the bounce.
- Headlamps A 25 h limit puts you out there after dark.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.