Ultramarathons in Montana, United States in 2026

175-mile relay from Twin Bridges to Virginia City, 10,000 feet of elevation gain, mountain terrain, big sky vistas, and pristine forests

Rugged 50-mile mountain route along the Gallatin Crest with significant elevation gain, technical exposed terrain, and rapidly changing weather.

Rugged 50K ultramarathons on mountainous trails through dense forests and dramatic Montana scenery near West Yellowstone, Seeley Lake, and Thompson Park.

High-elevation gravel road course linking Madison River and Monument Ridge, 6,060 feet net vertical difference, continuous climbs and descents, separate Up and 

50K course on ski trails, rugged singletrack, and Forest Service roads through forested mountains, scenic lakes, and wildlife-rich wilderness near Bob Marshall

Point-to-point course from family ranches through Apsaalooke lands, private forests, jagged cliffs, scree fields, high alpine lakes, and wild mountain terrain

50K trail race on the Continental Divide Trail from Thompson Park, passing historic train tunnels, trestles, and crossing Pipestone Pass at 6,348 feet

Three-day team adventure across Montana’s rugged backcountry, unmarked relay exchange points, shifting wild terrain, and full self-support logistics

Remote backcountry route through Montana’s Elkhorn Mountains with dramatic climbs, steep technical descents, rugged single track, and creek crossings

Looped 4.167-mile course with a last-person-standing format; hourly starts testing stamina, mental resilience, and strategic pacing

Relatively flat double-track route through farm fields, mountain vistas, and nighttime city lights in Three Forks, MT, with livestock along the course

Rugged 50km mountain route from Silver Gate to Cooke City with steep climbs, remote trails, 5,500 feet of elevation gain, and historic mining relics

Mountain double track, gravel paths, and pavement through Mission Canyon; elevation changes and scenic views during the Hays Powwow

Flat, fast 1.68-mile gravel loop at Missoula County Big Sky Park, with minimal elevation change and wide-open mountain range views.

Authentic mountain 50K with steep, technical sections over jeep roads, forest trails, alpine ridge lines, and the summit of Lone Peak at Big Sky Resort

1.5-mile loop at Gallatin Valley Regional Park with minimal elevation gain, fixed time format options of 24, 12, or 4 hours

Challenging 50k course with 6,300 feet of elevation gain, single and double-track terrain, and a summit ascent on Montana's Whitefish Trail

Flat 1-mile loop along a lakeshore, sunrise views, mixed weather conditions, wildlife sightings, and a self-supported, low-key atmosphere

Rolling gravel roads along the North Fork of the Flathead River, 2,300 ft elevation gain, aspen and larch foliage, Glacier Park and Northern Rockies views

Mountain trail course in Pattee Creek Watershed, over 8,000 feet of vertical gain, rugged off-pavement terrain, iconic Missoula scenery, dramatic climbs and swe