Trail Running Calendar Montana 2026-2027

We have found 66 Trailruns in Montana. Check below where and when you can find the races.

Experience a unique winter race series in Billings where staggered starts level the playing field for all speeds. Complete four races from 4 km to 10 km to earn points toward overall series cash prizes.

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.

Enjoy a 5k fun run through the scenic neighborhoods of Helena starting and ending at Blackfoot River Brewing. This untimed event supports local nonprofits and finishes with a craft beverage and community celebration.

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.

May 2026

Tackle a steep trail ascent up Mount Sentinel in Missoula with the area’s longest running hill climb. Reach the summit after gaining 2000 feet of elevation and celebrate with ice cream at the base.

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.

UTMB Index

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.

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.

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.

Run through the night on Montana's singletrack trails. This unique 12-hour event challenges you to complete as many 11.57-mile loops as you can on Mount Ascension. Wildlife sightings are part of the adventure.

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.

Explore the mining history of Butte, Montana on this 100-mile loop. The course features 63 miles on the Continental Divide Trail with significant mountain terrain. Runners have 40 hours to complete the challenge.