Trail Running calendar near Big Sky 2026-2027

We have found 21 Trailruns within 80 miles of Big Sky. See below where and when you can find the races.

A 12 km single-track trail race at Lewis and Clark Caverns State Park featuring significant elevation change, two cupless aid stations, chip timing and post-race brunch. Runners receive a custom shirt and must follow Leave No Trace rules.

June 2026

Experience the sagebrush hills of Montana at the Pronghorn Pursuit Trail Run. Choose from 15k, 5k, or 1 mile distances featuring technical single-track trails and scenic views of the Beaverhead River Valley.

Experience a scenic 14k trail race along the Continental Divide National Scenic Trail in Montana. This single track event features rock formations and mountain vistas with proceeds supporting local trail maintenance and youth running.

Experience a rigorous mountain trail race in Bozeman featuring over 11000 feet of vertical gain. Choose between 30K and 55K distances on a challenging out and back course through the Gallatin Valley.

A 100 mile loop in Butte, Montana on June 26-27, 2026, starting and ending at the Belmont Mine and routing 63 miles on the Continental Divide Trail. The high altitude course includes nearly 14,000 ft of elevation change and a 40 hour cutoff..

Experience a technical 20 km trail race through the scenic Bridger Bowl Ski Area in Bozeman. This cupless event features single track trails and includes chip timing plus a catered lunch for all participants.

July 2026

Celebrate Independence Day with a 10K, 5K, or 1K trail run through scenic north Bozeman. Support adults with developmental disabilities while enjoying mountain views and a mostly flat, hard-packed course.

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.

Event Overview The Devil's Backbone is a mountain running event along the Gallatin Crest in the Hyalite–Porcupine–Buffalo Horn Wilderness near Bozeman, Montana. It offers two route options. Distances 25-Miler: A point-to-point route from P..

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.

Join the 2nd Running of the Bulls Trail Race in Big Sky, Montana on dirt and single track through BSCO trails, with Big Sky Events Arena as the start, finish and festival hub. Run 21K, 11K or a 5K relay and stay for food trucks and awards.

Choose your challenge at this classic Montana trail run. Take on the 10-mile loop with significant elevation in the Bridger Mountains or enjoy the neighborhood 5k. Both finish with a festive post-race BBQ.

Experience a unique trail race through historic train tunnels and across towering trestles in Montana. Run along the Continental Divide Trail on a course featuring rolling terrain and scenic mountain passes.

August 2026

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.

Experience a rugged trail race through Montana's historic mining landscape. Run past mountain vistas and old homesteads in this event featuring 50k and 30k distances near Cooke City.

Experience a technical 19.9 mile mountain race along the scenic Bridger Ridge in Montana. This remote point to point trail run features rocky climbs, steep descents, and high altitude peaks for experienced runners.

Harriman Trail Runs in Island Park, ID on August 15, 2026 offers 1k, 10k, 25k and 50k trail courses with on-course aid, finishers medals and a post-race brunch, set among forested meadows with views of the Teton Range.

September 2026

Experience a premier mountain running festival in Big Sky, Montana, featuring technical courses from 1K to 50K. Runners face steep ridgelines and significant vertical gain, including the iconic ascent of Lone Peak.

A September trail race at Missouri Headwaters State Park near Three Forks, Montana, featuring about seven miles of road and rugged trail, two water crossings and a 300 runner cap. The event includes finish awards and a post race barbecue wi..

Experience an 18 mile off road journey through the foothills of Paradise Valley featuring scenic climbs and historic mining trails. This point to point race finishes with a meal and a relaxing swim at Chico Hot Springs.