Trail Running Calendar Idaho 2024-2025

The Wilson Creek Frozen 50K is a winter running event set in the scenic Wilson Creek trail system, located 30 minutes south of Nampa, Idaho. Scheduled for January 25, 2025, this race features three distances: a challenging 50K, a 20-mile loop with 4,500 feet of elevation gain, and a 10-mile loop wit..

Soup-In-The-Snow is an annual running event held on the first Saturday of February in Irwin, Idaho, organized by the Idaho Falls Trail Runners. Celebrating its 10th year in 2025, participants navigate snowy trails to Lower Palisades Lake and back, covering approximately 8.6 miles with significant el..

The Western Pleasure Snowshoe Roundup, celebrating its 12th anniversary, is a family-friendly event held at the picturesque Western Pleasure Guest Ranch in Sandpoint, ID. Participants can choose between 5K and 10K snowshoe races, as well as a free untimed Buckaroo race for children aged 6 and under...

The Pulse Endurance Runs is a premier timed running event taking place at Eagle Island State Park in Idaho. Participants can challenge themselves on a flat, dirt trail loop while aiming to complete as many miles as possible within 48, 24, 12, or 6 hours, or opt for a fixed distance of 100 miles. The..

The Spitfire Ultra Trail Challenge, taking place on April 19, 2025, invites participants to test their endurance in a stunning geological setting at North Menan Butte, an extinct volcano. The event features multiple race distances, including 55K, 30K, 12K, and 5K, allowing runners of various skill l..

The Weiser River 50K Ultra & Relay is a scenic running event taking place along the Weiser River Trail in Idaho. This point-to-point race covers 50 kilometers (31.07 miles) from Council to Midvale, featuring a mostly flat course ideal for runners of all skill levels. Participants can compete in vari..

Scout Mountain Ultras is an annual trail running event held in Pocatello, Idaho, celebrating the trail running community. Scheduled for June 6-7, 2025, it offers four challenging distances: 100 miles, 50 miles, 50 kilometers, and 23 miles, all set against the stunning backdrop of the Bannock and Poc..

The Sharlie Shuffle is an annual fundraising running event held in Ponderosa State Park, McCall, Idaho, featuring 6-hour and 12-hour timed races. Participants can run as many loops as they choose on a scenic 4.79-mile course that includes diverse terrain and beautiful views of Payette Lake. The even..

The River of No Return Endurance Runs, taking place in Challis, Idaho, offers a thrilling experience for runners with three challenging distances: 32K, 55K, and 108K. Participants will navigate diverse terrains, including significant mountain climbs and scenic views of Idaho's wilderness, featuring ..

Race the Wolf is an exciting running event taking place in Sandpoint, Idaho, from June 21 to June 22, 2025. The event features a variety of races, including the Race The Wolf Trail Marathon, Race The Wolf Trail Half-Marathon, Race The Wolf 5 Mile Trail Run, and the Sky Climb. This event is designed ..

The Standhope 100 is Idaho's highest trail race, featuring a challenging 100-mile endurance run that takes place from July 25-27, 2025. This single-loop course circumnavigates the Pioneer Mountain Range, offering runners breathtaking high-altitude views and demanding ascents. Participants can expect..

The Standhope Ultra Trail is a challenging and scenic running event held in the Pioneer Mountains of Ketchum, Idaho, from July 25 to 27, 2025. Participants can choose from various distances, including a 100-mile run, a 60K, and a 30K option, each designed to test endurance and skill in high-altitude..

The Boise Front Trail Run is an exciting running event taking place at Bogus Basin Ski Resort in Boise, Idaho. Scheduled for August 2, 2025, participants can choose between two courses: a 5-mile and a 10-mile run. This event not only promotes fitness and outdoor activity but also supports a good cau..

The Harriman 25K/50K Trail Run, organized by Buffalo Run Adventures, is a unique trail running event set in the scenic Harriman Park. Participants can choose between two distances, 25K and 50K, catering to various skill levels and preferences. The event emphasizes a relaxed and enjoyable atmosphere,..

The RIM2RIM RACE4HOMES is a popular running event held in Twin Falls, Idaho, featuring a challenging 7.5-mile course through the scenic Snake River Canyon. Participants can choose from several events, including the RIM2RIM RUN, RIM2RIM WALK, 1/2 RIM RACE, and a virtual race option. The race begins a..

The Idaho Mountain Trail Ultra Festival (IMTUF 100) is an annual ultra-running event held in McCall, Idaho, featuring a challenging 100-mile race and a 20-mile race. The festival emphasizes adventure running in mountainous terrain, making it suitable for experienced ultrarunners. IMTUF serves as a q..

"Legends Never Die" is an exciting running event featuring a Half Marathon and a 55K Ultra Marathon, set against the stunning backdrop of Sun Valley, Idaho. Scheduled for October 4, 2025, participants will navigate challenging single-track trails with significant elevation gains, showcasing the area..

The Sasquatch Shuffle is an exciting running event taking place in McCall, Idaho, on October 11-12, 2025. Participants can choose from various distances, including a 50K, 30K, 20K, and the unique Triple Threat option, which allows runners to tackle all three distances. A new challenge, the 50/50, wi..