Trail Running calendar near Big Sky 2025-2026

The Expedition 12K Trail Race is set to take place at Lewis & Clark Caverns State Park in Whitehall, Montana. This challenging race features a primarily single-track trail with significant elevation changes, offering stunning views of the Jefferson Valley. Participants can expect a well-organized ev..

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..

The Old Gabe event, held in Bozeman, MT, features challenging 30K and 50K trail runs, honoring Jim Bridger, a notable figure of the wild west. With a cap of 130 participants, all finishers receive an Old Gabe hat, and top male and female 50K runners earn special awards. The course includes significa..

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 100-mile ultramarathon held in Butte, Montana, starting and ending at the Belmont Mine. The race features a challenging course that includes 63 miles of the Continental Divide Trail, with significant elevation changes, reaching up to 8,400 feet and totaling 14,400 feet of v..

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 set in the rugged Gallatin National Forest of Montana. Designed for experienced trail runners, the event features a demanding 50-mile course with over 10,000 feet of elevation gain, offering stunning views of the Gallatin and Bridge..

The Jim Bridger Trail Run & Roller Ski Races are annual sporting events held in Bozeman, Montana, to support the Bridger Ski Foundation's Nordic Pro Team. The trail run features a 5K and a 10-mile course, showcasing scenic routes through Sypes Canyon with challenging climbs and water crossings. The..

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 12 Hour Race takes place in the scenic setting of Three Forks, Montana, inviting participants to see how many miles they can cover in a 12-hour period. The course features a flat, double track that offers beautiful views of mountain ranges and the charming city lights at night. Runne..

The Harriman Park 25K/50K Trail Run, scheduled for August 23, 2025, offers a scenic and well-curated trail running experience near Island Park, Idaho. The event features three distances: an 8.1-mile race, a 25K, and a 50K, with the latter being part of the Idaho Trail Ultra Series. Runners will enjo..

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 7.5-mile trail race held at Missouri Headwaters State Park near Three Forks, Montana. Scheduled for September 20, 2025, the race commemorates John Colter’s legendary escape from Blackfoot Indians. The course features a mix of paved roads and rugged trails, including water cr..

The Montana Meltdown is a fixed-time running event taking place at Gallatin Valley Regional Park in Bozeman, Montana. Participants can choose from three race durations: 24 hours, 12 hours, and 4 hours, all set on a scenic 1.5-mile loop course. This event is designed for runners of all levels, offeri..

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..