Ultra Running Hub Seeley Lake, MT, United States · Saturday, July 17, 2027
Fixed Distance 50K
Bob Marshall Trail 50K
284 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 ~16 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, July
Daytime high 26°C
Night low 11°C
Rainfall Dry — rain unlikely
Daylight 15 h 31 m of light
Regional 2001-2020 average for July — NASA POWER, grid elevation 1501 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 16 | Jason Delaney · 04:46:27 | Katie Barker · 05:25:12 |
| 2025 | 50km | 6 | Noah Jackson · 02:00:26 | Abigail Gans · 02:30:59 |
| 2024 | 50km | 2 | — | Katie Browning · 05:22:31 |
| 2024 | 50km | 14 | Jordan Stone · 04:19:25 | Hannah Dinell · 05:04:27 |
| 2023 | 50km | 28 | Hunter Machus · 03:58:34 | Cara Uribe · 05:18:47 |
| 2022 | 50km | 18 | Jonathan Fuller · 04:38:50 | Maryglen Vielleux · 05:51:55 |
The field grew 167% between 2025 (6) and 2026 (16). 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.