Le Grizz Ultramarathon

Le Grizz Ultramarathon & Relay takes place near Glacier National Park in Polebridge, Montana. The event offers a 50-mile ultramarathon, a 50-mile relay, plus a 15K and a 5K race, appealing to serious and recreational runners alike. The course runs on gravel roads along the North Fork of the Flathead River, rewarding efforts with views of the Crown of the Continent and the seasonal colors of aspen and larch.

Since its 1982 origins, the course has shifted with North Fork Road construction, with the 2025 start/finish planned at the Polebridge Mercantile. Finish-line celebrations feature fried chicken, Montana beer, and huckleberry bear claws. Visit the organization's website for the most recent information.