Trail Running calendar near Cooke City 2026-2027

A mountain trail event near Bozeman, Montana, on July 11, 2026, offering 25-mile and 50-mile courses across alpine ridgelines with limited support and suggested community donations.

A multi day trail running series in Montana during summer 2026 with 5K to 50K distances plus half and full marathons at West Yellowstone, Seeley Lake and near Butte. Participants receive a custom medal, bib and aid station support.

A trail running event in West Yellowstone, MT on July 11, 2026, organized by Wolf Pack Adventures. Multiple distances from 5K to 50K are offered with published entry fees and online registration ending July 11, 2026.

A multi-distance trail race in Big Sky, Montana on July 12, 2026 centered at Big Sky Events Arena. Courses range from about 15 mile with roughly 2100 feet of climbing to 6.2 mile and 3.1 mile options through Uplands and Hummocks.

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.

Trail races at Rendezvous Ski Trails near West Yellowstone Montana include marathon, half marathon, and 10K distances on Custer Gallatin National Forest trails. The event features chip timing, aid stations, and finisher medals.

Tails and Trails is a 5K in Cody, Wyoming that raises funds for Wyo Hoofbeats and highlights Cody Regional Health's animal therapy program. The course follows residential streets and trails along the Shoshone River with mountain views.

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 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.

A looped trail race at Red Lodge Mountain on August 16, 2026, with 4.3 mile laps and 900 to 1200 ft gain per lap. Options include marathon, half, relay teams and a 4.31 mile Hot Lap.

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.

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 event at Gallatin Valley Regional Park in Bozeman with 24-hour, 12-hour, and 4-hour options on a 1.5-mile loop. Crew support, one aid station with dietary options, limited parking, and awards for top finishers.

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.