Trail Running Calendar Idaho 2025-2026

Embrace winter trails at the Wilson Creek Frozen 50k near Nampa, Idaho, with scenic gorge sections and a climb to Wilson Peak. Choose 10 mile, 20 mile or the full 50k looped courses for a challenging snowy adventure.

Soup In The Snow is a friendly winter trail outing near Irwin, Idaho to Lower Palisades Lake, about 8.6 miles round trip on snowy mountain and lakeside trails. Registration is free but required online and the day ends with a community potlu..

Celebrate the 13th anniversary of the Western Pleasure Snowshoe Roundup in scenic Sandpoint ID with lively 5K and 10K races plus a free Buckaroo run for little ones. Enjoy groomed trails, lodge comforts, hot soup and overnight rooms at the..

Take on timed endurance laps at Eagle Island State Park, a flat, scenic loop along the Boise River, with events from 6 to 48 hours plus a 100 mile and relay option. Expect friendly support, frequent aid, and a welcoming endurance community.

Run the Spitfire Ultra Trail Challenge on North Menan Butte, an ancient volcanic rim with sand, slick rock and sagebrush under wide Idaho skies. Choose from 5K to 55K routes that wind rim to center through dramatic terrain and possible wild..

Run the scenic Weiser River Trail on Apr 25 2026 in a flat point to point 50K or team relay finishing in Midvale. Take in river canyon and farmland views on a converted rail trail and register by Apr 6 to guarantee swag.

Scout Mountain Ultras is a community trail running weekend near Pocatello, Idaho, with 100 mile, 50 mile, 50k and short loops in rugged alpine terrain. Held in early June, it highlights sustainability, inclusion and is a Hardrock qualifier.

Hit the trails in Sandpoint for Race the Wolf, a two day festival of trail running featuring marathon, half marathon, 5 mile and a Sky Climb. Scenic routes and varied distances make this a perfect summer challenge for trail lovers.

Run the Beaverhead Endurance Runs along the Continental Divide near Salmon, Idaho, with 55K and 100K point to point options through high mountain terrain. The 100K is a Western States qualifier and both races qualify for UTMB.

Standhope Ultra Challenge is a remote high altitude trail race in the Pioneer Mountains near Ketchum Idaho. Choose from rugged 100 mile, 60K or 30K courses with steep technical terrain, big climbs and changeable mountain weather.

Test your grit on the Standhope 100, a remote 100 mile endurance run through Idaho's Pioneer Mountains with over 23,000 feet of climbing and long gaps between aid stations. Expect rugged trails, steep climbs, and epic mountain views.

Run high alpine single track at Oregon Gulch in Legends Never Die on October 3, 2026. Pick a scenic half marathon or a rugged 55K ultra and support local trail and community causes while soaking up spectacular mountain views.

Moscow Mountain Madness invites trail lovers to tackle 5 mile, half marathon or 50k courses across technical single track and forest scenery. Tough terrain, aid stations and authentic backcountry vibes make it a memorable mountain run.