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Le Grizz Ultramarathon

📅 October 9, 2027 (estimated date)📍 Polebridge · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (October 10, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

50 mi9.3 mi3.1 mi

About

Le Grizz Ultramarathon takes place near Glacier National Park in Polebridge, Montana, on October 9, 2027. The 50-mile (80.5 km) ultramarathon starts at 7:00 a.m. and the 50-mile relay at 7:30 a.m., while the 15K (9.3 miles) and the 5K both start at 11:00 a.m.

Runners enjoy panoramic views of the Northern Rockies in striking fall scenery. Whether for a first ultramarathon or as a tough course for experienced runners, Le Grizz offers a unique test of strength in breathtaking wilderness, with team relay options for those who want to share the experience with other athletes and support an important cause. The 15K and 5K let athletes of all levels push their limits and immerse themselves in the great outdoors.

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