Trail Running Calendar Idaho 2025-2026

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. This event features multiple race distances, including 55K, 30K, 12K, and 5K, allowing runners of various skill..

The Weiser River 50K Ultra & Relay is an exciting running event taking place along the scenic 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 compe..

The Heavens Gate Marathon and Half Marathon, taking place in Riggins, Idaho, features challenging 20-mile and 15K courses with significant elevation gains of 7500 and 4000 feet, respectively. Participants can expect stunning canyon trails and breathtaking views as they navigate the mountainous terra..

The Over the Top Trail Race, organized by the Pocatello Running Club, will take place on May 10, 2025, in Pocatello, Idaho. This popular event features a stunning course through the City Creek Trail System, showcasing beautiful singletrack trails with scenic overlooks and diverse terrain. Participan..

Scout Mountain Ultras is an annual trail running event held in Pocatello, Idaho, celebrating the trail running community. Scheduled for the first weekend of June, participants can choose from various distances, including 100 miles, 50 miles, 50 kilometers, and 23 miles, all featuring challenging cou..

The Sharlie Shuffle is an annual 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 desire on a scenic 4.79-mile course, which includes diverse terrain and beautiful views of Payette Lake. This event not onl..

The Ponderosa Park Run, hosted by the Payette Lakes Ski Club, is a family-friendly event celebrating its 48th year. Participants can choose from three race options: a 1 Mile Kids Run, a 5 Mile Run/Walk, or a 7 Mile Run/Walk, with courses featuring a mix of paved roads, dirt paths, and single-track t..

The Little Mountain Endurance Challenge, held in Franklin, Idaho, offers a thrilling experience for runners of all levels. Participants can choose from a 5K hill climb, a 10K double hill climb, and endurance races lasting 6 or 12 hours. The event emphasizes community spirit and adventure, encouragin..

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, Trail Half-Marathon, a 5 Mile Trail Run, and the Sky Climb. Participants can enjoy the scenic trails while ch..

The Dirty Dog Trail Marathon and Half Marathon is set to take place in Boise, ID, on June 28, 2025. Celebrating its 9th year, the event features a challenging marathon course with significant climbs and fast descents, while the half marathon offers a mix of single track trails and dirt road sections..

The Beaverhead Endurance Runs feature two challenging races: a 100K and a 55K, taking place in Salmon, Idaho. These point-to-point races primarily traverse the Continental Divide National Scenic Trail, showcasing stunning landscapes that separate Idaho's Lemhi River Valley from Montana's Big Hole Va..

The McCall Trailrunning Classic is an annual trail running event held in the scenic Payette National Forest, Idaho, featuring 30K and 50K races. Established in 2012, this event showcases the stunning alpine singletrack trails, including the iconic "Legend of Bear Pete" loop. Participants can enjoy f..

The Standhope Ultra Trail is a challenging and scenic running event set in the Pioneer Mountains of Ketchum, Idaho, scheduled for July 25-27, 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-alt..

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 Farm Life 5k Trail Run is a fun and engaging event taking place at the Bonneville County Fair in Idaho Falls. Participants will enjoy a scenic course that winds through corrals, horse barns, and fields. The event features a 5k Fun Run and a free Grit League Obstacle Course for kids.All finishers..

The Boise Front Trail Festival is a running event scheduled for August 2, 2025, at Bogus Basin Ski Resort in Boise, Idaho. Participants can choose between two courses: a 5-mile and a 10-mile run. This festival not only promotes fitness and outdoor activity but also supports a charitable cause, as pr..

The PRR Summer Series - Warnick 10k is a scenic trail running event taking place on Moscow Mountain. This 6-mile loop features a challenging course with over 800 feet of elevation gain, making it an exciting experience for participants. The event is designed to be low-key and fun, welcoming runners..

The Inkom Last Man Standing 1.1 is an exciting running event set on a scenic 1.1-mile loop in Inkom, Idaho, featuring an elevation gain of 240 feet. Inspired by Nate Solomon's morning runs, this unique race challenges participants to complete each loop within 20 minutes, with the clock restarting af..

The Harriman 25K/50K Trail Run, scheduled for August 23, 2025, is a premier trail running event held at Harriman State Park near Island Park, Idaho. This race features three distances: a scenic 8.1-mile course, a 25K, and a challenging 50K, with stunning views of the Teton Mountains and abundant wil..