Trail Running calendar near Irwin 2025-2026

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..

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..

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.

Celebrate trail running July 4 and 5 at Grand Targhee in Alta Wyoming amid wildflower meadows, high ridgelines and Teton views. Choose from 50K, half marathon, 10K or a kids 1K for all ages and abilities.

Run high alpine trails amid wildflowers in Teton Village, WY at Teton Mountain Runs on July 11 and 12, 2026. Choose 15K, 30K or 50K courses and enjoy tram access, summit views and waffles at the top.

Run through rugged Wyoming Wilderness at El Vaquero Loco on Aug 1, 2026, choosing a challenging 50k or 31k course. This community race supports Star Valley High School track and cross country while showcasing scenic, off road trails.

Tackle a rugged 108 mile trail through the high country of the Wyoming Range, with alpine scenery, big climbs and remote singletrack. This supported ultra tests endurance and navigation as you race to beat a 48 hour cutoff.

Run a challenging 7.1 mile mountain course at Grand Targhee on August 29, 2026, climbing over 2,200 ft and topping out near 9,920 ft. Expect steep technical trails, spectacular views, aid stations, and a competitive field capped at 500.