Trail Running Calendar Montana 2025-2026

The Dark Knight Trail Run, also known as the Goats in the Dark 5k, is a unique night trail race held on Helena’s west side trails in Montana. This family-friendly event takes place in late August, offering runners pleasant nighttime temperatures and beautiful sunset views before darkness sets in. Th..

Goats In The Dark is a 5k night run in Helena, Montana. The course starts at the corner of LeGrande Cannon Blvd and Silverette St on Helena’s far west side, and follows LeGrande Cannon Blvd east to Tubbs Trailhead. Runners then tackle switchbacks up onto Swaney, Diretissima and Ambrose trails on Mou..

The AIDSPIRIT USA Marathon, held in Harlowton, Montana, is a scenic race starting in the Little Belt Mountains within Lewis & Clark National Forest and finishing in historic Harlowton. The event features a full marathon, half marathon, 10K run, and 5K fun run, all on compacted, calcium chloride-trea..

Big Bear Stampede is a trail-running event at Eagle Creek Campground in Gardiner, Montana, near Yellowstone National Park. It offers a 5k and 9k trail race, a 5k walk (untimed), and a 1k Kids Run with obstacles. The courses provide spectacular views of Electric Peak and other Yellowstone peaks, with..

Rim Runner Trail Trek is the final race in Yellowstone Rim Runners’ Free 3 Summer Race Series, held at Dover Park in Billings, Montana. The event features a 5K-ish trail course on Dover Park trails with scenic views. It’s described as a low-key club race that replaces the group runs, with snacks pro..

The Rut Mountain Runs is a three-day mountain running event held at Big Sky Resort in Montana, scheduled for September 12-14, 2025. It features a variety of challenging races including a 50K, 28K, 21K, 11K, and the Lone Peak Vertical Kilometer, as well as a Trifecta challenge combining the 50K, 28K,..

Rock the Run! 5K at Pompey's Pillar is a scenic running event held in Pompeys Pillar, Montana. The race offers a 5K course that caters to runners of all levels, from competitive athletes to those enjoying a casual jog. Participants experience the natural beauty of the area while running through pict..

John Colter Run is a classic Bozeman-area trail race at Missouri Headwaters State Park, near Three Forks, Montana. The 7.5-mile course begins with 1.5 miles on a paved/gravel road, then 5.5 miles of rugged trails echoing Lewis and Clark. The route includes two railroad crossings—one under the tracks..

The Mount Helena Run is Helena Vigilante Runners’ 9k (5.6 mile) trail race held in Helena, Montana. The course starts on Last Chance Gulch in downtown Helena and blends urban and mountain terrain, with 1.5 miles on roads before venturing into Mt. Helena City Park.Runners climb to the summit of Mount..

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..

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 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..

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..

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...

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..

11 Miles to Paradise is a 10.6-mile point-to-point trail race in Paradise, Montana, through Lolo National Forest along the Clark Fork River. The course starts on an old two-track, then runs on rolling single-track with forest and river views, finishing at Ferry Landing Fishing Access Site on State R..

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..

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)..

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..