Trail Running Calendar Idaho 2026-2027

Follow the path of a historic outlaw on this mostly downhill point to point race. Run through the Sawtooth National Forest on a mix of rugged jeep trails and ten miles of single track forest paths.

A low key roughly 6.2 mile trail loop on Moscow Mountain with over 800 feet of climbing, starting and finishing at the Warnick Road parking area.

At Tom Pence Ranch on Aug 8-9, 2026, the Boise Spartan Trifecta Weekend features Sprint, Super and Beast obstacle races, kids races, an obstacle workshop, and spectator access.

A memorial 5K on August 12, 2026 at the Inkom Last Man Standing Trail in Inkom, Idaho, run as three loops on a dirt single-track course supporting the family.

A Last Man Standing race in Inkom, ID on Aug 14, 2026 with repeated 1.1 mile loops featuring 240 ft of elevation gain per loop until one runner remains.

Trail races in Island Park ID offering a 1K kids run plus 10K, 25K and 50K on natural single track with on-course aid and post-race lunch.

A two day trail event at Silver Mountain Resort in Kellogg, Idaho featuring a 13K with over 2,000 feet of climbing and a 2 mile course, gondola access to the start, a vendor village, swag and giveaway prizes.

Trail event in the Boise Foothills with 5K and 12K courses, cash prizes for the 12K, and proceeds benefiting the Bogus Basin Nordic Team.

The 3rd Annual LESS Society Table Rock Hike in Boise follows the Table Rock Trail for about 3.8 miles with roughly 900 feet of gain; proceeds fund scholarships for Idaho students.

A community mud run at Lewiston Community Park each August featuring climbing, crawling, muddy obstacles and a Mini-Mudder for kids. The event reports thousands of participants, local charity donations, and many volunteer roles.

Three distances around Payette Lake in McCall with on-site packet pickup, bus transport to start locations, staffed aid stations, and postrace awards.

A Last Man Standing race in Eagle, ID where runners repeat 4.167-mile loops hourly until one runner completes one more loop than all others.

A set of organized runs and a walk in Twin Falls along the Snake River Canyon on 12 September 2026, featuring a 7.5 miles rim course across Perrine Bridge and a 3.5 miles downhill half race; no pets or strollers allowed.

A trail event on September 12, 2026 around the volcanic Crater Rings near Mountain Home, Idaho. Options include a 10K loop on a jeep road or a 2.9 mile out and back to the East Crater viewpoint, with hydration stations and awards.

A 100-mile mountain ultramarathon held September 19-20, 2026, starting and finishing at Jug Mountain Ranch near McCall, Idaho, following the SUPERCOURSE used 2020-2025. Trail use is permitted by the Payette National Forest and Idaho Departm..

Run, hike, or bike up the mountain in Tamarack to support suicide awareness and mental health recovery. Face a challenging elevation gain while collecting tokens of strength and enjoying views of Valley County.

Experience the extensive single track trails of the Boise Foothills in this premier trail event. Runners can choose between 50 mile, 50K, and 27K distances starting from Fort Boise.

A fall trail event at Oregon Gulch near Ketchum, Idaho offering a Half Marathon and a 55 km ultra on forested single-track routes with significant elevation gain, aid stations, staggered starts, and free race photos.

Trail event on Moscow Mountain offering 50K, half marathon, and 5 mile courses on mostly single track with aid stations and drop bag options.

A community memorial run and family day at Riverstone Park in Coeur d’Alene honoring babies and children who died suddenly and unexpectedly. The event features a scenic 2.5 mile course, memorial signs, a remembrance ceremony, and a silent a..