Trail Running Calendar Idaho 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.

A family friendly run at Ponderosa State Park in McCall offering a 1 Mile kids run plus 5 Mile and 7 Mile run or walk courses on paved roads, dirt roads and single-track trails. Awards go to the top three men and women in each race.

A low key 10k on Moscow Mountain from the Headwaters Trailhead, just over 5 miles with about 700 ft of climbing. The event is free, donations are welcome, and it ties into a downtown Camp Moscowanna block party later in the day.

Experience mountain trail running at its finest with a variety of distances including a full marathon and half marathon. Join fellow runners for a weekend of off road racing on the scenic slopes of Schweitzer Mountain.

Trail endurance races in Challis, Idaho on June 20, 2026 offer three distances with courses that pass the Salmon River, Blue Mountain and nearby lakes. Registration closes June 1.

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.

Alpine trail races near Burgdorf Hotsprings in McCall, Idaho on June 27, 2026 offering 30K and 50K courses on IMTUF100 singletrack. The 30K gains about 3500 feet and the 2026 routes run clockwise.

Uphill and downhill mountain runs at Brundage Mountain Resort on July 4, 2026. Routes follow the Cat Track to the summit with scenic views and event amenities including live music and on-site food.

Point to point trail ultras near Salmon, Idaho, following the Continental Divide and CDT along the Idaho-Montana border. High elevation routes feature climbs, technical sections, and a final descent into Bohannon Creek, with international q..

A themed 10K at PCEI in Moscow, ID featuring solo and relay entries, six loops and a box of six donuts per team with a donut-eating rule at each loop start. Team leaders register in advance while teammates sign waivers on race morning.

Trail ultraruns in the Pioneer Mountains of Central Idaho offering 100 mile, 60K and 30K distances over rugged terrain. The two day event is noted for scenic views, steep climbs and long descents.

A remote 100 mile trail race in Idaho's Pioneer Mountains on 25 to 26 July 2026 with over 23,000 feet of climbing, 12 staffed aid stations, spot tracking, and required backcountry gear.

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.

The Farm Life 5k Trail Run will take place in Idaho Falls on Saturday 1 August 2026. You can run 5 kilometers.

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.

Part of the Palouse Road Runners summer series, the Warnick Trailhead 10k is an approximately 6.2 mile trail loop on Moscow Mountain with over 800 feet of climbing; results appear on UltraSignup.

Boise Spartan Trifecta Weekend in Payette, ID on Aug 8-9, 2026 features Sprint 5 km, Super 10 km and Beast 21 km obstacle races plus kids races, a workshop, spectators and a 4 hour Hurricane Heat.

A loop-based Last Man Standing race in Inkom, Idaho, run on a 1.1 mile trail with about 240 ft of climb per loop. Runners must complete each loop within 20 minutes and are eliminated until one remains.

Trail runs at Harriman State Park near Island Park Idaho feature 1k kids through 50k distances across forest and meadow singletrack with on-course aid, cupless provisions, finishers medals and limited entries.

A two day trail event at Silver Mountain Resort in Kellogg, Idaho featuring a 13K (8 mile) course with over 2,000 feet of climbing and a 2 mile run. Races start from the summit after a gondola ascent and include a vendor village.