Le Grizz Ultramarathon

Polebridge, United States • 11 Oct 2025

Le Grizz Ultramarathon is a challenging 50-mile race held annually in autumn near Glacier National Park, Montana, typically on the second Saturday of October. The course runs along gravel roads paralleling the North Fork of the Flathead River, offering stunning views of the Crown of the Continent, including the Northern Rockies and Glacier Park. Runners face about 2,300 feet of elevation gain over undulating terrain with gentle inclines, making it suitable for first-time ultramarathoners. The event also features a 50-mile relay, 15K, and 5K runs, welcoming a range of participants. The race atmosphere is festive, with a finish-line picnic featuring fried chicken, Montana-brewed beer, and the famous huckleberry bear claw dessert. Visit the organization's website for the most recent information.

Race information

50 mi
50 Mile Ultramarathon
10 km
10k
5 km
Relay
Visit the organization's website for the most recent information.
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