Polebridge, MT, United States · Saturday, October 10, 2026

Fixed Distance 50 mi

Le Grizz 50 Mile Ultramarathon

9 days to go

80 km Distance

not publishedn/a Climbing

4.0 est Grit · Challenging

Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.

48.7652° N, 114.2851° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~86 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 6°C

Night low -3°C

Rainfall Mostly dry

Daylight 11 h 12 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 1690 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50mi	86	Oliver Bieser · 06:05:58	Rosie Rigas · 08:08:23
2024	50mi	72	Paul Paschal · 06:37:51	Evie Tate · 06:33:04
2023	50mi	49	Patrick Keeley · 07:09:52	Lydia Fahrenkrug · 08:45:06
2022	50mi	49	Drew Coco · 05:21:20	Sarah Clark · 07:25:35
2021	50mi	56	Drew Coco · 05:20:00	Evie Tate · 06:58:33
2020	50mi	56	Drew Coco · 05:45:14	Heather Brooks · 07:57:34
2019	50mi	51	Chris Durward · 07:12:26	Sarah Graves · 07:19:53
2018	50mi	58	Matthew Zuchetto · 06:17:54	Mary Satterthwaite · 07:08:20
2017	50mi	35	Jason Delaney · 06:28:14	Debbie Gibson · 07:36:51
2016	50mi	57	Gwendal Le Tutour · 07:14:08	Christi Richards · 06:57:00

The field grew 19% between 2024 (72) and 2025 (86). 51% of the 2025 field were women.

DUV results for the 2025 edition (50mi) — finishers 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

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 80 km of trail.

Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 80 km, without the bounce.
Headlamps 80 km almost certainly means running into the night.
GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.