Trail Running Calendar Montana 2026-2027

A winter race series in Billings where runners start individually by predicted pace so faster runners chase to the finish. Four events from a 4K to a 10K include series scoring and cash prizes and free entry for club members.

Experience trail racing on the private Rossignol Ranch in Montana with 5k, 5 mile, and 10 mile courses. Enjoy a community festival featuring a post race pancake brunch and local beverages in a scenic mountain setting.

A community 5k at Blackfoot River Brewing in Helena on April 18, 2026, part of the Montana Brewery Running Series. The untimed route starts and ends at the taproom and includes a craft brew at the finish plus BRS swag.

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.

A steep trail race on Mount Sentinel in Missoula that climbs to the summit. The event also features a kids run, chip timing, post race ice cream, and cash and age group prizes.

Test your limits at Wrangler Springs Ranch with a range of obstacle courses from 5K to 50K. Experience the rugged beauty and high-altitude climbs of Bigfork, Montana, in this comprehensive weekend of endurance racing.

This Helena trail run on May 9, 2026, features races from 5K to 50K, plus hikes and a dog walk. It's a community event supporting the Prickly Pear Land Trust's conservation work. Enjoy trail running followed by a beer garden and live music.

A Missoula trail weekend on June 7 with a 13.1-mile mountain half and a 6.2-mile 10K, cupless aid stations, capped fields, and virtual options running May 14 to June 23.

Explore the new trails of Marshall Mountain in Missoula with this spring trail running event. Choose from a challenging solo 25K, a fun team relay, or a shorter 5-mile race. The day features a community atmosphere with a post-race brunch an..

Experience the only trail race in Helena's Scratchgravel Hills. Choose from distances ranging from a 1 mile kids run to a 50K ultramarathon featuring technical trails and expansive vistas.

Experience Montana landscapes at the Billings Skyline Races. Run along the sandstone Rimrocks and through the shaded Alkali Creek Trail in a half marathon or 30K event ending at Two Moon Park.

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.

Run through historic train tunnels and towering forests at the Hiawatha Spring Trail Run. This Montana event features scenic mountain views across several distances from 10K to 50K along a unique out and back course.

Experience the scenic Montana Idaho border with a half marathon or 10k starting at Lolo Pass. Enjoy gravel road courses through forests and meadows followed by a celebratory post race BBQ.

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 the scenic trails of Herron Park in Kalispell with a half marathon or shorter trail run. Support local trail maintenance while participating in one of the region's established annual racing events.

Follow historic railroad grades from Mullan to St. Regis on a course featuring train trestles and river views. Choose from distances ranging from 5k to 50 miles with post race festivities at the park.

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.

Experience a point to point mountain marathon on the Foy's to Blacktail Trail system in Montana. This limited entry event supports local trail maintenance and features a scenic course through wildlife habitat.

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..