Trail Running calendar near Lennep 2026-2027

Point to point 100 mile mountain ultramarathon near Wilsall and Lennep Montana with about 23,000 ft vertical gain on rugged primarily single track terrain.

Mountain trail races in the Elkhorn Mountains near Helena, Montana, offering 50 Mile, 50K and 13.1 Mile courses on remote single track with significant elevation gain and multiple aid stations.

A trail event near Lewistown, Montana on August 1, 2026, offering a 10K loop trail run with significant elevation gain and a separate 6K out and back hike, with packet pickup and shuttle service to the trailhead.

A backyard ultra at Ponderosa Ranch in Clancy, Montana: runners complete a 4.167-mile loop each hour until one person remains. The self-supported event uses marked and GPS courses, variable terrain, and on-site crew areas with limited servi..

The Sweet Pea Run in Bozeman offers 5K, 10K and a 5k handcycle race during Sweet Pea Festival weekend. Sponsors and proceeds support local running programs and youth scholarships, and children 12 and under enter free.

A 5K running race at Bridger Brewing in Bozeman on August 12, 2026, presented by the Bozeman Distance Project 501(c)3. Registration runs July 8 to August 12 with a $10 fee.

A remote roughly 20 mile ridge trail race near Bozeman, Montana, run by volunteers with a lottery limited field. The route is technical and exposed; aid stations are volunteer staffed and participants must carry a water vessel.

The Augúst, Montana's second oldest footrace, holds its 58th running in Helena on August 20, 2026. A 5K trail race presented as a minimalist fundraiser for local high school cross-country teams.

A ranch-based running event in Harrison, Montana offering a 1K calf run, 5K, 10K, Tough Udder obstacles and a virtual option, with on-course water stations and event swag.

Experience a fast downhill race through the scenic Little Belt Mountains to historic Harlowton. This charity event features a smooth gravel course with multiple distances and a finish line celebration at a local brewery.

Experience a historic re-enactment through the rugged trails of Missouri Headwaters State Park. This unique 7.5 mile run features deep mud, river crossings, and wild Montana terrain for a limited field of 300 participants.

A free trial trail event in Helena, MT offering 14K, 25K and 50K options on McMaster Hills trails with river and mountain views. Minimal course markings and a main aid station at McMaster Hills East Trailhead.

An off-road 18.2 mile trail race with 2,609 ft of climbing through Paradise Valley and Emigrant Gulch, featuring creek crossings, three aid stations, marked technical terrain, and a finish at Chico Hot Springs.

Timed running events at Gallatin Valley Regional Park in Bozeman offer 4 hour, 12 hour and 24 hour options on a flat 1.5 mile loop with a stocked aid station and free race photos.

A 9 km (5.6 miles) trail race in Helena, Montana, with roughly 1,300 feet of elevation change and more than 4 miles of single-track. The 50th edition climbs Mount Helena and returns to Last Chance Gulch with mountain and city views.

Trail races of 20 km, 10 km, 5 km and a 1 km kids race take place at Crosscut Mountain Sports Center near Bozeman on September 27, 2026. The Bobcat 5 km directs proceeds to the Montana State University Nordic Ski Team.