Trail Running calendar near Big Sky 2025-2026

The Pronghorn Pursuit Trail Run, scheduled for June 7, 2025, in Dillon, Montana, features a variety of events including a 5K Trail Run, a Kid's 5K for ages 10 and under, a challenging 15K Trail Run, and a Fun Run/Walk of 1 mile. Organized by the Beaverhead Trails Coalition in collaboration with the..

The Divide Trail Race is an exciting trail running event taking place in Butte, Montana, featuring two main distances: a 50K and a 25K. Set against the stunning backdrop of the Continental Divide, participants will navigate through scenic trails, historic train tunnels, and picturesque landscapes. T..

Old Gabe is a challenging trail running event held in Bozeman, Montana, featuring 30K and 50K distances. The course starts and finishes at the Middle Cottonwood Trailhead, traversing rugged terrain with significant elevation gain—approximately 11,500 feet of climbing for the 50K. The 30K is closer t..

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..

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 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 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..

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, offers runners the challenge to cover as many miles as possible within 12 or 24 hours. The event features a scenic, relatively flat, and easy one-mile double track loop with views of multiple mountain ranges, city lights, and an old copper..

The Harriman 25K/50K Trail Run, held annually at Harriman State Park near Island Park, Idaho, offers a scenic and well-curated trail running experience. The event features three distances: an 8.1-mile race, a 25K, and a 50K (two laps of the 25K course). Runners enjoy beautiful single-track trails th..

The Rut Mountain Runs is a three-day mountain running event taking place in Big Sky, Montana, from September 12 to 14, 2025. The event features a variety of races, including the Lone Peak Vertical Kilometer, a Trifecta (50K, 28K, VK), and distances ranging from 50K to a Kids 1K Runt Run. This celebr..

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 terrain from the Lewis and Clark era. Unique features include t..

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 race options, running on a 1.5-mile loop course. The event offers a supportive atmosphere where runners can test their spee..

The Montana Cup is a cross-country running event held in Bozeman, Montana, designed to unite runners from across the state. This team competition features various age categories for both men and women, allowing participants to race for a traveling trophy. The event emphasizes camaraderie among Monta..