Trail Running calendar near Three Forks 2025-2026

The Moonlight on Mt Ascension Trail Run, hosted by the Helena Ultra Runners League, is a unique nighttime trail running event in Montana. Held in Helena’s South Hills at Mount Ascension and Rodney Ridge, the course features a modified figure-8 loop of 11.57 miles on 100% singletrack with 2,645 feet..

Wulfman's CDT-14K Trail Race is a scenic 14-kilometer trail run held near Butte, Montana, along a completed section of the Continental Divide National Scenic Trail between Homestake and Pipestone passes in the Beaverhead-Deerlodge National Forest. The course features majestic rock formations and bea..

The Copper Kings 100 is a challenging 100-mile ultramarathon held in Butte, Montana, starting and finishing at the historic Belmont Mine. The single-loop course features 63 miles along the scenic Continental Divide Trail, with elevations ranging from 5,650 to 8,400 feet and a total vertical gain and..

The Bangtail Divide 38k is a trail running event held in Bozeman, Montana. The race covers a distance of 38 kilometers along the Bangtail Divide Trail (Trail number 504), starting at Stone Creek and finishing at Brackett Creek. Registration is limited to 150 participants on a first-come, first-serve..

The Devil's Backbone 50 Mile & Relay is a challenging ultramarathon held in the remote Gallatin National Forest near Bozeman, Montana. The race features a single 50-mile course with over 10,000 feet of elevation gain, traversing high mountain ridges and valleys with technical single-track trails, st..

The Little Blackfoot is a trail running event held near Elliston, Montana, offering 30K and 15K distances. Both races start at the Little Blackfoot Meadows trailhead near Kading Campground and follow an out-and-back course. Runners begin together, crossing two wooden bridges over a creek before reac..

The Jim Bridger Trail Run & Roller Ski Races take place in Bozeman, Montana, with the 32nd annual trail run scheduled for July 19, 2025. The event features a 10-mile and a 5K run, both starting near Sypes Canyon trailhead. The 10-mile course is a scenic loop with significant elevation gain (2,838 ft..

The Crazy Mountain 100 is a challenging 100-mile ultramarathon held in Montana's rugged Crazy Mountain Range. Starting at Westling Ranch in Wilsall and finishing at Berg Ranch near the ghost town of Lennep, the point-to-point course features approximately 23,000 feet of vertical gain, reaching eleva..

HURL Elkhorn is a challenging trail running event held in the rugged Elkhorn Mountains near Helena, Montana. It offers three race distances: a 50-mile ultra, a 50K, and a 13.1-mile half marathon, all featuring technical single-track trails, primitive jeep roads, and forest service roads with no pave..

The Copper City 12/24 Hour Race takes place in scenic Three Forks, Montana, featuring a relatively flat, one-mile double track loop. Runners can challenge themselves to cover as many miles as possible within 12 or 24 hours. The course offers beautiful views of multiple mountain ranges, city lights a..

The Augúst is Montana's second oldest footrace, held annually in Helena at the Spring Meadow Resources Pavilion. Celebrating its 57th running, this minimalist 5k trail race is known for its flat and fast course, attracting both youth (0-19) and adult (20+) runners. The event emphasizes tradition and..

Goats In The Dark is a nighttime 5k trail race held in Helena, Montana, starting at LeGrande Cannon Blvd and Silverette St. The course features a scenic route along LeGrande Cannon Blvd to Tubbs Trailhead, then ascends switchbacks onto Mount Helena's western trails, including Swaney, Diretissima, an..

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 scenic sunset views before darkness sets in. The..

The Big Bear Stampede is a trail running event held at Eagle Creek Campground in Gardiner, Montana, near Yellowstone National Park. Scheduled for September 6, 2025, it features 5k and 9k trail races with scenic views of Electric Peak and other Yellowstone peaks. The 9k course includes 1,000 feet of..

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 race distances including a 50K, 28K, 21K, 11K, and the Lone Peak Vertical Kilometer, as well as a Kids 1K Runt Run. A special Trifecta challeng..

The Mount Helena Run is an annual 9-kilometer (5.6-mile) trail race held in Helena, Montana, featuring a challenging course with 1,300 feet of elevation gain and loss. Starting on historic Last Chance Gulch in downtown Helena, the race transitions from urban streets to mountain trails within Mt. Hel..

The John Colter Run is a rugged 7.5-mile trail race held at Missouri Headwaters State Park near Three Forks, Montana. The course starts with 1.5 miles on paved/gravel roads, followed by 5.5 miles of challenging trails reminiscent of the historic Lewis and Clark expedition era. Unique features includ..

The Montana Meltdown is a fixed-time endurance running event held at Gallatin Valley Regional Park in Bozeman, Montana. Participants can choose from 24-hour, 12-hour, or 4-hour races, running on a scenic 1.5-mile loop course. The event offers a supportive atmosphere where runners can test their spee..

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)..