Races›United States›Montana›Le Grizz Ultramarathon
Polebridge, MT, seen from above
October 2027 · date to be announced

Le Grizz Ultramarathon

Polebridge, Montana · United States
UltraRiver

50 miles along the North Fork Flathead River

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Course

An out-and-back on the North Fork Road beside the Flathead River, starting and finishing at the Big Creek Outdoor Education Center. The surface is undulating gravel road with gentle inclines, about 2,300 feet of climbing across the 50 miles. The route runs through Northern Rockies country on the edge of Glacier National Park.

50 Mile50 mi
15K15 km
5K5 km

Key dates

Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.

About

Le Grizz is a 50-mile ultramarathon run on gravel roads along the North Fork Flathead River near Glacier National Park, through remote grizzly bear habitat in northwest Montana. A relay, 15K and 5K are also offered.

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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.