Trail Running calendar near Gardiner 2026-2027

A mountain trail ultramarathon held from Middle Cottonwood Trailhead with 30K and 55K options on 100% trails, large vertical gain, minimal aid, drop bag support, and a 130-runner cap; finishers receive an Old Gabe hat.

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.

A mountain running event near Bozeman, MT on July 11, 2026, with 25 mile and 50 mile routes across the Gallatin Crest. The course features alpine ridgelines, technical terrain, limited support, and recommended self-sufficiency.

Experience the Montana wilderness through a series of certified trail races in 2026. Choose from distances ranging from 5K to 50K with events held in West Yellowstone, Seeley Lake, and Butte.

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 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.

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.

Experience a trail run through the Custer Gallatin National Forest at the gateway to Yellowstone National Park. Choose between marathon, half marathon, or 10K distances on scenic mountain trails.

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 volunteer supported non profit trail race of about 19.9 miles along the Bridger Mountains crest near Bozeman, Montana. The route is remote and technical with multiple aid stations, an application lottery for entry, and limited field size.

Trail races in Harriman State Park near Island Park, Idaho, offering distances from a 1k kids loop to a 50k two 25k-loop course, with aid stations, finishers medals and a post-race meal. Participation is limited to protect the park.

A looped trail race at Red Lodge Mountain with Hot Lap, Half, Full, and relay options; laps are about 4.3 miles with 900–1200 ft gain per lap and dogs are welcome.

The Rut Mountain Runs is a multi distance mountain running weekend in Big Sky, Montana in September 2026. Events range from a free 1K Runt Run to a 52.5 mile Trifecta with substantial elevation gain and a Lone Peak vertical kilometer.

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.

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 on a 1.5 mile loop at Gallatin Valley Regional Park in Bozeman, Montana. Options include 24 hour, 12 hour, and 4 hour races with one aid station and crew access.