Idaho
Idaho Trail Running Calendar 2026-2027
Explore the best trail runs in Idaho for 2026-2027! Our updated list features 28 exciting trail runs across the region. Find your next trail run in Idaho below and join the trail community at these great events!
August 2026
Memorial 5K on August 12, 2026 at Inkom Last Man Standing Trail, a three loop 3.3 mile trail course with dirt single track, hills, and mountain views.
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.
Two-day community festival at Palouse Divide Lodge on Aug 22-23 with outdoor activities, live music, camping, and both 10 km and 5 km fun run; admission is free.
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 featuring multiple obstacles, a Mini-Mudder kids course, and sustained local fundraising and volunteer support.
September 2026
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 Department of Lan..
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.
October 2026
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.
Oct 4, 2026 Moscow Mountain Madness offers 50K, half marathon and 5 mile trail races on mostly single track terrain around Moscow Mountain in Moscow, ID.
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 auction.
Zombie Mania on October 10, 2026 is a 5 km loop through Nature Park and Eagle Park where volunteers dressed as zombies try to steal runners' flag belts. A separate 1 mile costume run follows the same parks without zombies.
Looped trail races (50k, 30k, 20k) at Ponderosa State Park in McCall, Idaho on October 10, 2026, raising funds for local trails with varied single-track and lake views.