Trail Running calendar near Boise 2026-2027

Trail marathon and half marathon on the Ridge to Rivers Trail System in the Boise foothills. Hilly single track courses with stocked aid stations and a $100 prize for the first man and woman to the summit of the Hard Guy climb.

Three trail races at Bogus Basin in summer 2026 with 4.5 and 3.5 mile courses, Grand Prix style scoring, and custom hats for participants; series standings recognize top male and female finishers.

Two days of trail races at Bogus Basin include a Hill Climb finishing at Shafer Butte and five and ten mile courses. Proceeds support Ridge to Rivers and a youth discount is available.

Spartan Trifecta Weekend at Tom Pence Ranch offers Sprint, Super and Beast obstacle races on rugged high desert terrain, plus kids races, a Hurricane Heat four hour event and an obstacle workshop.

A Boise trail event offering 5K and 12K courses at Fort Boise Park, fundraising for the Bogus Basin Nordic Team, with cash awards and a post-race raffle.

A community run on Table Rock Trail near Boise that follows an approximately 3.8 mile round trip course with 900 feet of climb. Proceeds support scholarships for Idaho students and the LESS Society mission.

A Last Man Standing loop race at Eagle Island Parkway where runners repeat a 4.167 mile loop each hour and must return to the start when the bell rings. There is also a timed 3 Loop Challenge and ITUS scoring options.

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.

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.

Experience a winter trail race through the Reynolds Creek gorge and Wilson Peak in Idaho. Choose between 10 mile, 20 mile, or 50k distances featuring up to 6000 feet of elevation gain in the stunning Wilson Creek trail system.