Ultra Running Hub Seattle, WA, United States · Sunday, February 14, 2027
Fixed Distance 50K
West Seattle Beach Run - Fat Ass
131 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 ~4 Tiny. You will run alone for most of it.
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, February
Daytime high 8°C
Night low 1°C
Rainfall Showers likely
Daylight 10 h 11 m of light
Regional 2001-2020 average for February — NASA POWER, grid elevation 110 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 4 | Jae-Byung Jung · 05:35:30 | Cecilia Eldridge · 05:47:58 |
| 2025 | 50km | 2 | Ryan McIrvin · 04:29:32 | — |
| 2024 | 50km | 4 | Steve Walters · 04:53:42 | Cecilia Eldridge · 05:58:49 |
| 2023 | 50km | 5 | Scott Sebelsky · 05:05:00 | Cecilia Eldridge · 05:51:00 |
The field grew 100% between 2025 (2) and 2026 (4). 25% 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.