Montana
Montana Trail Running Calendar 2026-2027
Explore the best trail runs in Montana for 2026-2027! Our updated list features 34 exciting trail runs across the region. Find your next trail run in Montana below and join the trail community at these great events!
October 2026
Experience an out and back ultramarathon along the North Fork of the Flathead River near Glacier National Park. This event features gravel roads with 2300 feet of elevation gain and stunning views of the Northern Rockies.
Family-friendly trail event at Riverfront Park with 1, 2 and 3 mile courses, pumpkins to carry, costumes and prizes, plus a kids pumpkin run; limited to 350 participants.
A fall festival in Hungry Horse at Canyon Elementary School featuring a timed 5k, children s fun run, cook offs, contests, and family activities across the day.
Missoula trail races on October 18 2026 featuring a 50K with about 8,000 feet elevation gain and a 25K on the House of Sky ridgeline, shuttle start for the 25K and chip timing.
A Halloween-themed untimed run/walk at Deaconess Park with 5K and 1-mile courses, flag-stealing zombies, participant medals, and proceeds for Bullhook CHC programs.
A cross country team meet in Billings featuring separate men’s and women’s 5K races across age categories and a traveling trophy for the winning team.
Community fundraiser at Thompson Falls Power Park with a 5K and 1 mile fun run, race and costume prizes, and proceeds benefiting local trail maintenance.
November 2026
A roughly 15K trail race on Mount Jumbo on November 7, 2026, with on-course aid, collectible dog tag swag, and both in-person and capped virtual entry options.
December 2026
Yellowstone Rim Runners' winter series uses staggered, pace based starts and a points leaderboard across four races in Billings from December to April.
January 2027
Nordic ski event on January 9, 2027 offering classic and skate races from 1 km to 20 km, including a Viking Challenge and youth cookie scramble.
Yellowstone Rim Runners' winter series uses staggered, pace based starts and a points leaderboard across four races in Billings from December to April.
Classic cross-country races at Lubrecht Experimental Forest with 1 km, 4 km and 10 km events, a group dance competition, free on-site waxing, and a post-race chili potluck.
February 2027
Weekend cross-country ski races at Pattee Canyon in Missoula featuring 1 km, 5 km and 10 km events plus a 10 km skiathlon, on-site waxing and a post-race chili potluck.
Timed mountain lap event on Drinking Horse Mountain with 3, 6, and 12 hour options that raises funds for the Wildland Firefighter Foundation.
Yellowstone Rim Runners' winter series uses staggered, pace based starts and a points leaderboard across four races in Billings from December to April.
March 2027
Half marathon and 9K along the Great Northern Trail between Kila and downtown Kalispell with a mandatory shuttle, timed bibs, and post-race St. Patrick's festivities.
April 2027
Yellowstone Rim Runners' winter series uses staggered, pace based starts and a points leaderboard across four races in Billings from December to April.
June 2027
Trail races on the Beaverhead Trails High Trails near Dillon, MT, featuring a 15K, 5K, kids 5K and a 1-mile fundraiser. Courses are off-pavement with extensive single-track, significant climbing and valley views.
Pengelly Double Dip and Bob Hayes Single Dip offer a half marathon plus with 3,400 ft gain and a 10K with a steep first mile, starting at River Bowl East in Missoula.
Trail races on the Route of the Hiawatha in Taft Montana with 50K, 25K, 15K, 10K and a virtual option amid mountain scenery and historic tunnels.