Trail Running Calendar Idaho 2025-2026

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, held in Boise, Idaho, takes place on the scenic Ridge to Rivers Trail System in the Boise foothills. Now in its ninth year, the marathon features a challenging course with significant climbs and fast descents on single-track trails. A special highlight..

The Brundage Mountain Summit Cat Track event in McCall, Idaho, offers two scenic mountain runs: a challenging 10K uphill and downhill race and a 5K downhill run. The 10K course ascends 3.1 miles with a 1,640-foot elevation gain to Brundage Mountain's summit, providing stunning 360-degree views of Pa..

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 Payette National Forest near Burgdorf Hotspring, Idaho. Established in 2012, the race features two distances: a 30K and a 50K, both run on challenging alpine singletrack trails originally part of the IMTUF100 course. The 30..

The Donut Dash 10K in Moscow, Idaho, is a unique and fun running event hosted by Palouse Road Runners as part of their Summer 10k Series. Participants, either solo or in teams of 2, 3, or 6, complete six one-mile loops starting and finishing at the Palouse-Clearwater Environmental Institute (PCEI)...

The Standhope Ultra Trail is a challenging and scenic mountain race held in the Pioneer Mountains near Ketchum, Idaho. The event features multiple distances, including a grueling 100-mile run, a 60K, and a tough 30K option that covers the latter half of the 60K course. Runners face rugged terrain wi..

The Standhope 100 is Idaho’s highest trail race, a challenging 100-mile endurance run scheduled for July 25-27, 2025. This single-loop course circumnavigates the Pioneer Mountain Range in central Idaho, featuring many hard ascents and high-altitude views. Runners navigate a well-marked trail with 12..

The Owyhee 50/50 Night Run is a nighttime ultramarathon event held near Homedale, Idaho, featuring 50-mile and 50-kilometer distances. The race starts at 8 PM and runs through the night, with runners finishing the following morning. The course is an out-and-back route on dirt county roads, Bureau of..

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 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 PRR Summer Series - Warnick 10k is a scenic trail running event held on Moscow Mountain in Idaho. The course is a roughly 6-mile loop starting and finishing at the Warnick Road parking area, featuring over 800 feet of elevation gain with challenging ups and downs. Runners traverse trails includi..

The Outlaw Trail Ultra Half Marathon is a scenic trail running event held near Twin Falls, Idaho, starting at Diamondfield Jack Campground and finishing at Third Fork Campground. Covering approximately 14.5 miles, the course is mostly gradual downhill, featuring a mix of rough jeep trails and smooth..

The Inkom Last Man Standing 1.1 is a unique endurance running event held on a private 1.1-mile loop located at the Solomon family's property in Inkom, Idaho, home to Lavender Lane Lavender Farm and Leapknot Coffee Roasters. The course features a challenging 240-foot elevation gain per loop, with rol..

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 Foothills XC12K is an exciting cross-country running event scheduled for August 23, 2025, in Boise, Idaho. Participants can choose between two courses: a challenging 12K and a shorter 5K, both set against the stunning backdrop of the Boise Foothills. The race starts at the Military Reserve, offe..

The Payette Lake Run, held in McCall, Idaho, offers three race distances: a 30K, 14K, and 5K. The 30K is a full loop around scenic Payette Lake, while the 14K starts near North Beach and the 5K near Little Lake on Lick Creek Road. All races begin and end at Brown Park in downtown McCall, which provi..

If You're Not First You're Last is a unique endurance running event held in Eagle, Idaho, featuring a challenging 4.167-mile loop course. The race tests participants' stamina and grit rather than speed, as runners must complete each loop within an hour and return to the starting corral at the top of..

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 Pocatello Fall Ultra, held in Pocatello, Idaho, is a challenging trail running event featuring multiple race distances: 100K, 60K, 20K, and a kids' race. The ultra courses boast significant elevation gains, with the 100K race climbing over 10,000 feet and covering more than 45 miles of single-tr..