Trail Running calendar near Idaho Falls 2025-2026

We have found 7 Trailruns within 80 miles of Idaho Falls. See below where and when you can find the races.

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..

April 2026

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..

June 2026

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.

July 2026

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.

August 2026

Wyoming Range 100 : overview The Wyoming Range 100 is a point-to-point endurance run held in the Bridger-Teton National Forest. The event is scheduled for August 7-9, 2026, and runs from Middle Piney Lake to Box Y Ranch. The published dista..

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.