Trail Running Calendar Montana 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..

The Bob Marshall Trail Race is an exciting trail running event taking place in Seeley Lake, Montana, on June 21, 2025. Participants can choose from various distances, including 50K, 25K, 10K, and 5K, all set against the stunning backdrop of the Bob Marshall Wilderness. The race begins at the Seeley..

The Trail Rail Run, scheduled for June 21, 2025, in St. Regis, MT, offers a variety of race options including a 50 Mile, 50K, 30K, 12K, 5K, a 50 Mile Hand Cyclist event, and a 50 Mile Relay. The course follows the historic Northern Pacific and Milwaukee Railroad grades, featuring scenic views, histo..

The Wulfman's CDT-14K Trail Race is a scenic running event held in Butte, Montana, along the Continental Divide Trail. This race, which honors the late John "the Wulfman" Wulf, features a 14-kilometer course that showcases the natural beauty of the Beaverhead-Deerlodge National Forest. Scheduled for..

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 Yellowstone Trail Race, scheduled for June 28, 2025, offers a thrilling trail running experience just outside Yellowstone National Park. Participants can choose from three race distances: 50K, 25K, and 10K, all set against the stunning backdrop of the Custer Gallatin National Forest. The event i..

The Bangtail Divide 38K is a trail running event taking place in Bozeman, Montana, featuring a scenic course from Stone Creek to Brackett Creek along the Bangtail Divide Trail (Trail number 504). Scheduled for July 5, 2025, the race is open to participants aged 13 and older, with a registration fee..

Run With The Wild is an exciting running event taking place at the scenic Seeley Creek Trails in Seeley Lake, Montana. Participants can choose from three fun runs: a 10K, a 5K, and a 1K, making it a family-friendly occasion suitable for all ages and skill levels. The event features a post-race barbe..

The Herron Half Marathon Trail Run, held annually at Herron Park in Kalispell, Montana, features a half marathon, 10K, and 5K trail races, along with a kids' race. The event takes place on the scenic Herron Park trail system, part of the 34-mile Foy’s to Blacktail Trails network. It serves as a majo..

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 Foy's to Blacktail Trail Marathon is a challenging 26-mile point-to-point mountain trail race held in Kalispell, Montana. Featuring an all-single track course with over 5,000 feet of vertical gain, the race ascends 2,800 feet in the first 5 miles to Blacktail Mountain's summit, followed by a gra..

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..

The Yellowstone Trail Race is an exciting trail running event set to take place in West Yellowstone, Montana, on July 26, 2025. Participants can choose from three race distances: a 50K, 25K, and 10K, all of which offer stunning views of the surrounding Custer Gallatin National Forest. The race begin..

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 3rd Annual Swift Bear Trail Run, scheduled for August 9, 2025, in Hays, Montana, features a variety of running events including a 10 Mile, 20 Mile, and a newly added 50K run. The race takes place during the Hays Powwow, offering a scenic route through Mission Canyon. Participants can expect a mi..

The Prospector's 50k | 30k is an exciting running event taking place in Cooke City, Montana, on August 9-10, 2025. This race features two challenging distances: a 50k and a 30k, designed for both seasoned runners and newcomers. Participants will enjoy stunning mountain views and historical reminders..

The Copper City 24 Hour Race, held in Three Forks, Montana, is an endurance running event featuring 12- and 24-hour options. Participants run on a scenic, relatively flat one-mile double-track loop that offers views of multiple mountain ranges, the city lights of Three Forks at night, and passes thr..

The Nitty Gritty Off Road Race is a challenging trail running event held at Red Lodge Mountain Resort in Montana. Featuring a mix of singletrack trails, access roads, and bushwhacking, the course offers approximately 4.3-mile laps with about 1,150 feet of elevation gain each. Participants can choose..