Trail Running Calendar Idaho 2026-2027

We have found 35 Trailruns in Idaho. Check below where and when you can find the races.

A mountain race at Brundage Mountain Resort in McCall, ID offering an uphill 10K to the summit and a downhill 5K from the summit with lift access and scenic summit views.

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 looped 10K event at PCEI in Moscow with solo and relay options, a box of six donuts per entry, and a rule that the active runner eats one donut per loop. Registration closes July 9.

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 run in Idaho’s Pioneer Mountains with over 23,000 feet of climbing, 12 aid stations, spot tracking, and a 39-hour total cutoff. The 2026 edition has no qualifying requirement.

A two-day trail festival at Bogus Basin featuring an uphill Hill Climb plus 5- and 10-mile races, with proceeds supporting Ridge to Rivers, prize awards, and a youth discount.

August 2026

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

A 5K trail run through Montour Wildlife State Park in Emmett, Idaho, that follows mixed surfaces and passes the remains of a former town. The course is about 70% dirt trails and 30% asphalt with some technical sections.

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 at Tom Pence Ranch on Aug 8 and 9 2026 features Sprint, Super and Beast obstacle races plus a kids race, an obstacle workshop, a Hurricane Heat 4HR event and spectator options.

A loop-based Last Man Standing race in Inkom, ID on a 1.1 mile course with about 240 ft of climb per lap; runners must complete each lap within 20 minutes and laps repeat until one runner remains.

A multi-distance trail event in Island Park, ID featuring forest and meadow courses with 1k, 10k, 25k and 50k options, cupless aid stations, included post-race food and limited entries with a possible waitlist.

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.

A trail event in Boise on August 22, 2026 offering 5K and 12K courses that can be run or hiked, with proceeds supporting the Bogus Basin Nordic Team and cash prizes in the 12K divisions.

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 muddy mix of cross country running and obstacles in Lewiston, Idaho on August 29, 2026. Open to men, women and children, the event can be run casually or as a timed race.

September 2026

A multi-distance running event around Payette Lake in McCall, Idaho on September 6, 2026. Distances include 30K, 14K and 5K with bus transfers to offsite starts and post race refreshments in Brown Park.

A Last Man Standing endurance event on a 4.167 mile loop in Eagle, ID that repeats hourly until only one runner remains. A separate 3 Loop Challenge awards fastest overall times and certain finishes count for the Idaho Trail Ultra Series.

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.

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