Trail Running calendar near Sedan 2026-2027

A 12 hour night trail run on Helena’s South Hills featuring a 100% singletrack figure 8; runners complete as many 11.57 mile loops as possible within the time limit. Limited field and volunteer organized.

Timed ruck and hike events in Neihart, Montana, on June 20, 2026, include six hour and three hour rucks for adults and a one hour kids ruck; proceeds support a scholarship for Montana graduates pursuing technical or trade training.

A rugged trail ultra near Bozeman offering 30K and 55K options with over 11,000 feet of climbing on the long course, minimal aid, and encouraged self-support. Limited entries and race-specific awards for finishers.

A 20K trail race at Bridger Bowl with technical single track and cupless aid stations, a four hour cut off, chip timing, a race shirt and catered lunch; packet pickup is available the day before and race morning.

A community race in Bozeman on July 4, 2026 with 1K, 5K and 10K options plus virtual entries; proceeds support adults with developmental disabilities.

Experience a point to point trail race on the Bangtail Divide Trail near Bozeman Montana. This 38 km event takes runners from Stone Creek to Brackett Creek through mountain landscapes with a field limited to 150 participants.

The Diamond City Mountain Relay will take place in Townsend from Friday 10 July 2026 to Sunday 12 July 2026. You can run 215 miles.

A mountain running event near Bozeman, MT offering 25 mile and 50 mile routes across alpine ridgelines with technical terrain and limited support. Entry asks for a recommended donation that funds local trail and land nonprofits.

A trail race at Big Sky Events Arena on July 12, 2026 offering 15 miles, 6.2 miles, and a 3.1 mile team relay. Routes use BSCO trails with dirt paths and single track and include significant elevation gain and mountain views.

Trail out and back races near Kading Campground with 15 km and 30 km options, creek crossings and mountain views. Post-race food, beverages and prizes are available.

A July 18, 2026 Bozeman event offering a **10-mile** trail loop with 2,838 feet of climbing and a **5 km** rolling dirt road fun run, plus a post-race BBQ, beer, and raffle prizes.

A 100 mile trail race through the Crazy Mountain Range from Wilsall to Lennep, Montana on July 24-25, 2026, passing Apsaalooke lands, jagged cliffs, scree fields, and high alpine lakes with live tracking and family ranch host sites.

Trail races in the Elkhorn Mountains near Helena, MT, on technical single track and primitive roads. Events offer 50 Mile, 50K and 13.1 Mile courses with significant elevation gain and multiple aid stations.

ROO Last Man Standing is a backyard ultra on nearly 2,000 acres in Clancy, Montana where runners repeat a 4.2 mile loop each hour until only one remains. The final solo loop wins a $10,000 prize.

A trail race weekend in Cooke City, Montana with 50k, 30k and an 80K option set among mountain scenery and historic mining sites on 8/8 to 8/9/2026.

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.

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.

A three-day mountain running event at Big Sky Resort in Big Sky, Montana on September 11 to 13, 2026, featuring distances from a 1 km kids run to a 50.6-mile Trifecta; registration opens January 6, 2026.

Trail races and a kids run at Eagle Creek Campground near Yellowstone on 12 September 2026. Courses include a 9k with 1000 feet of climb, a 5k with 400 feet of climb, and an untimed 5k walk.