Napa, CA, United States · Saturday, May 15, 2027
Fixed Distance 50K
Napa Wilderness Trail Runs
221 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level
Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.
What the course asks
Field size ~25 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, May
Daytime high 23°C
Night low 9°C
Rainfall Dry — rain unlikely
Daylight 14 h 13 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 266 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 25 | Ivan Moseman · 06:43:58 | Felicia Maquinalez · 05:33:53 |
| 2025 | 50km | 14 | Benjamin Wiley · 05:10:45 | Andrea Kane · 07:46:10 |
| 2024 | 50km | 16 | Christopher Reckinger · 05:43:22 | Christina Vincent · 06:23:13 |
| 2023 | 50km | 28 | Ryan Emory · 05:07:32 | Adele Fenwick · 07:11:08 |
| 2022 | 50km | 6 | Federico Sanchez · 07:23:03 | Andrea Kane · 09:09:22 |
The field grew 79% between 2025 (14) and 2026 (25). 44% of the 2026 field were women.
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.