Trail Running calendar near Bozeman 2025-2026

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..

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..

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..