Montana · 50 Miler · 9.3 Miles · 5K
Le Grizz Ultramarathon & Relay
Le Grizz Ultramarathon & Relay is a 50 Miler, 9.3 Miles and 5K event held in Polebridge, Montana. Its next confirmed date is Saturday, October 9, 2027. About 2,530 runners take part across all distances.
- Race day
- October 9, 2027
- Location
- Polebridge, MT
- Field size
- ~2,530 runners
Race details
- Date
- Saturday, October 9, 2027
- Location
- Polebridge, Montana
- Distances
- 50 Miler, 9.3 Miles, 5K
- Field size
- About 2,530 runners
- Course
- ~2,300 ft gain over 50 miles, out-and-back gravel road
- Registration
- runsignup.com
- Official website
- runlegrizz.com
Registration, course & weather
- Registration status
- Registration status as last checked October 30, 2026: closed
- Start time
- 7:00 AM MDT
- Course profile — 50 Miler
- Out-and-back course; Road surface; 2300 ft gain, 2300 ft loss (official course data)
- Course profile — 50 Miles
- Out-and-back course; Trail surface; 2600 ft gain, 2600 ft loss (estimated from third-party elevation data)
About the Le Grizz Ultramarathon & Relay
Le Grizz is a 50-mile Ultramarathon run just to the west of Montana's Glacier National Park on a gravel road that parallels the North Fork of the Flathead River. Runners will find themselves gaining views of the magnificent Crown of the Continent, made up of Northern Rockies of Southern British Columbia and Glacier Park, and surrounded by the changing colors of the aspen and larch. The 2026 course is an out-and-back route which will begin and end at the Glacier Institute's Big Creek Outdoor Edu…
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Le Grizz Ultramarathon & Relay: common questions
- When is the Le Grizz Ultramarathon & Relay?
- The next confirmed date is Saturday, October 9, 2027.
- Where is the Le Grizz Ultramarathon & Relay held?
- In Polebridge, Montana.
- What distances does the Le Grizz Ultramarathon & Relay offer?
- 50 Miler, 9.3 Miles and 5K.
- How many people run the Le Grizz Ultramarathon & Relay?
- About 2,530 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Le Grizz Ultramarathon & Relay?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Le Grizz Ultramarathon & Relay?
- Registration status as last checked October 30, 2026: closed.
- What time does the Le Grizz Ultramarathon & Relay start?
- 7:00 AM MDT.
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