Montana
Montana Trail Running Calendar 2026-2027
Explore the best trail runs in Montana for 2026-2027! Our updated list features 37 exciting trail runs across the region. Find your next trail run in Montana below and join the trail community at these great events!
September 2026
Timed running events at Gallatin Valley Regional Park in Bozeman offer 4 hour, 12 hour and 24 hour options on a flat 1.5 mile loop with a stocked aid station and free race photos.
A 9 km (5.6 miles) trail race in Helena, Montana, with roughly 1,300 feet of elevation change and more than 4 miles of single-track. The 50th edition climbs Mount Helena and returns to Last Chance Gulch with mountain and city views.
Obstacle course event at Washington Grizzly Stadium with 3k, 5k, 10k, kids and All Abilities races plus team competition.
Trail race at Lookout Pass, ID on September 26, 2026 offering marathon, half and 10K on the scenic Route of the Hiawatha with historic train tunnels.
A women focused festival at Fort Missoula on September 27, 2026 where participants walk or run as many one mile laps as they like in a two hour period.
Timberline Trail Run at Crosscut in Bridger Canyon on September 27, 2026 features 20 km, 10 km, 5 km and a kids run on mountain trails and meadows.
October 2026
Experience the beauty of Northwest Montana with a variety of trail races ranging from a family fun run to a technical 50k ultramarathon. Run through scenic forests and lakes while supporting the local trail system.
A point to point trail race of about 10.5 miles through Lolo National Forest along the Clark Fork River on 10 April 2026. The finish is at Quinn's Hot Springs Resort with post-race food, drinks and hot pool access; dogs are not allowed.
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.
A fall run at Riverfront Park on Oct 17, 2026 with 1, 2 and 3 mile options, pumpkin pickup for each entrant, costume prizes and a 350-runner limit.
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.
Two trail races in Missoula on October 18, 2026 with a 50K featuring 8,000 ft elevation gain and a 25K on the House of Sky Ridgeline Trail.
A cross-country team meet in Billings featuring 5K women's and men's age category races where statewide teams compete for the traveling Montana Cup trophy.
November 2026
A roughly 15 km trail race on Mount Jumbo across Missoula Conservation and Open Space Lands with in-person and limited virtual entries.
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
A Nordic ski event in Whitefish offering classic and skate races from 1 km to 20 km, including a Viking Challenge and a 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.
Time-based trail event on Drinking Horse Mountain where participants complete as many laps as possible in 3 hour, 6 hour, or 12 hour formats while fundraising.