Trail Running Calendar Montana 2025-2026

The John Colter Run takes place on September 20, 2025, at Missouri Headwaters State Park near Three Forks, Montana. The event is organized by the Big Sky Wind Drinkers and is professionally timed by Muddy Dog Sports. Registration is limited to 300 participants, race bibs are issued only to register..

The 49th Mount Helena Run is set for Saturday, September 20, 2025, in Helena, Montana. The event is a 9 km (5.6 mile) trail race with about 1,300 feet of elevation gain and loss. The course includes roughly 1.5 miles on roads and more than 4 miles on single-track trails. The start area is on the Wa..

Yellowstone Gateway 30K is a challenging off-road race in Pray, Montana, covering just over 18 miles from Sage Lodge to Chico Hot Springs. The course features a 10-mile climb into Emigrant Gulch followed by an 8-mile downhill, with upper elevations an out-and-back segment and the rest point-to-point..

The Hiawatha Fall Trail Run takes place in Taft, Montana, offering Marathon, Half Marathon, and 10K distances. The course follows the Route of the Hiawatha, delivering a bucket-list experience as runners traverse scenic trestles, pass waterfalls, and even run through some of the longest railroad tun..

Montana Meltdown is a fixed-time ultramarathon held at Gallatin Valley Regional Park in Bozeman, Montana. Runners tackle a 1.5-mile loop for 24-, 12-, or 4-hour races, testing endurance and speed in a supportive, competitive atmosphere. The course features a single aid station roughly every 1.5 mile..

The Bobcat Trail Challenge at Crosscut is a trail running event held at the Crosscut Mountain Sports Center in Bozeman, Montana. The race features a challenging 5km cross-country ski loop course, with options to compete in 5k, 10k, or 20k distances. Participants can also join as part of a 2 or 4-per..

Whitefish Trail Blazer, held in Whitefish, Montana, is a weekend of trail running presented by Flathead Running Company to benefit Whitefish Legacy Partners and the Whitefish Trail. The centerpiece is the Blazer 50k ultramarathon on Saturday: 31 miles with about 6,300 feet of elevation gain on singl..

The X-RATED Ultra Running Festival is a 24-hour ultra event held in Plevna, Montana, at Sandstone Reservoir (1050 Sandstone Rd.). It features a flexible distance format: participants can run, walk, or crawl as many miles as they choose within a 24-hour window. The course is a flat, one-mile loop (0...

11 Miles to Paradise is a point-to-point trail race held on October 5, 2025, in Paradise, Montana, with the race hub at Quinn's Hot Springs Resort. The course is 10.6 miles long and runs through Lolo National Forest on rolling single-track trails alongside the Clark Fork River. The route begins wit..

Le Grizz Ultramarathon & Relay takes place near Glacier National Park in Polebridge, Montana. The event offers a 50-mile ultramarathon, a 50-mile relay, plus a 15K and a 5K race, appealing to serious and recreational runners alike. The course runs on gravel roads along the North Fork of the Flathead..

City to Sky in Missoula, Montana, is a pair of trail races on October 19, 2025: City to Sky 50K and City to Sky 25K. The 50K covers about 33 miles with more than 8,000 feet of elevation gain, circumnavigating the Pattee Creek watershed and passing multiple mountain summits through Missoula’s open sp..

Skeleton Skedaddle 5K & Kids Pumpkin Run, held in Missoula, Montana, offers a family-friendly fall running experience. The Skeleton Skedaddle 5K is a loop that starts and finishes at the large pavilion in Silver Park, taking advantage of Missoula’s river trail system and the Russell Street Bridge. T..

The Montana Cup is a team-based cross-country running event held at Gallatin County Regional Park in Bozeman, Montana. It unites runners from across Montana’s regions to compete for a traveling trophy. The race features separate categories for men and women, divided by age groups (under and over 40)..

Frontier Conference XC Championships take place in Billings, Montana, on the Amend Park College Course. The meet is hosted at Amend Park, 5101 King Ave. E., Billings, MT 59101, and serves as the Frontier Conference’s cross-country championship.The course features a 6-kilometer race for women and an..

Glacier Glide is a pursuit-style Nordic ski race organized by Glacier Nordic Club, staged at Whitefish Lake Golf Course in Whitefish, Montana. The event offers multiple distances for both classic and skate techniques, including 10 km classics and 10 km skate, 3.5 km classics and 3.5 km skates, plus..

The Pronghorn Pursuit Trail Run, held annually near Dillon, Montana, offers a scenic and challenging off-pavement experience through the sagebrush hills of the High Trails System. Participants can choose from a 15K trail run featuring 90% single-track with 2,400 feet of climbing, a 5K trail run with..

Copper Kings 100 is a 100-mile ultramarathon in and around Butte, Montana, on June 26-27, 2026. The loop starts and ends at the Belmont Mine and runs through Beaverhead-Deerlodge National Forest in Butte-Silver Bow and Jefferson counties, including about 63 miles on the Continental Divide Trail. The..

Crazy Mountain 100 is a 100-mile mountain ultramarathon in Montana's Crazy Mountain Range. The race begins at Westling Ranch in Wilsall and finishes near Lennep on Berg Road, with stages hosted on two family ranches and passing through Indigenous lands. Runners tackle about 23,000 feet of vertical g..