Trail Running calendar near Bozeman 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..

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,..

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..

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..

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 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 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)..

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..