Le Grizz Ultramarathon

Polebridge, United States • 11 Oct 2025

Le Grizz Ultramarathon is a renowned 50-mile race held annually in the autumn near Glacier National Park, Montana. Established in 1982, it is one of the oldest 50-mile footraces in the world. The event features not only the ultramarathon but also a relay option, as well as 10k and 5k races, catering to both serious athletes and casual participants. The race offers a unique experience with scenic views and a festive atmosphere, including a post-race picnic with local food and drinks. Le Grizz emphasizes community involvement and outdoor education, partnering with the Glacier Institute for a meaningful event. 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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