Ultra Running Hub Cooke City, MT, United States · Saturday, August 8, 2026
Fixed Distance 50K
Prospectors 50K
Race completed
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 ~61 Mid-sized. Company early, well spread out by halfway.
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, August
Daytime high 19°C
Night low 5°C
Rainfall Mostly dry
Daylight 14 h 27 m of light
Regional 2001-2020 average for August — NASA POWER, grid elevation 2614 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 61 | Christopher Gish · 04:11:24 | Katie Campbell · 05:15:40 |
| 2025 | 50km | 90 | Chad Nauman · 04:32:14 | Lindsey Anderson · 05:08:57 |
| 2024 | 50km | 69 | Michael Klein · 05:27:40 | Josie Walters · 05:47:50 |
| 2023 | 50km | 70 | John Kirtley · 05:08:55 | Laura Frazier · 05:37:57 |
The field shrank 32% between 2025 (90) and 2026 (61). 26% 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.