Trail Running calendar near Idaho Falls 2026-2027

Experience a mountain running event in Idaho featuring distances from 23 miles to a 100 mile ultra. Navigate technical trails with significant vertical gain while supporting environmental conservation and community inclusivity.

A two-day trail weekend at Grand Targhee on July 4 to 5, 2026 with 50K, 22K, 10K and a 1K kids race; races are capped at 200, aid stations are stocked, and cash prizes are offered for top 50K finishers.

Experience trail running in the Bridger Teton National Forest with races ranging from 15K to 50K. Runners enjoy views of the Grand Teton and mountain wildflowers while spectators utilize local gondolas to follow the action.

An 18 km point to point trail run from Cache Creek to Game Creek in Bridger-Teton National Forest on July 25, 2026. The course is chip timed and offers an event shirt, finisher medal and limited shuttle support back to Snow King.

A 3 mile mountain trail race in Jackson, WY that climbs 1,535 vertical feet from Phil Baux Park to the Gondola summit; entry is $40, finishers get a free gondola ride down and awards are held at the summit.

A loop-based Last Man Standing race in Inkom, Idaho, run on a 1.1 mile trail with about 240 ft of climb per loop. Runners must complete each loop within 20 minutes and are eliminated until one remains.

Trail runs at Harriman State Park near Island Park Idaho feature 1k kids through 50k distances across forest and meadow singletrack with on-course aid, cupless provisions, finishers medals and limited entries.

A trail running event at Turpin Meadow Ranch in Jackson Hole on August 22, 2026, featuring 30K, half marathon and 8K courses with Grand Teton views. The run benefits the John Wayne Cancer Foundation and includes finisher items and podium pr..

Trail races at Grand Targhee on August 29, 2026 cover 7.1 miles with 2,212 feet of vertical gain across Sport, Expert, and Pro divisions plus a volunteer category. Per race prizes and season points are awarded and the field is capped at 500..

A playful 5 km loop through Nature Park and Eagle Park where volunteers acting as zombies try to steal runners' flags. A separate 1 mile costume run has no zombies and suits participants who prefer a gentler experience.

Test your endurance in Idaho Falls at this winter backyard ultra. Complete 4.167 miles every hour on a varied terrain course until only one runner remains at the Bonneville County Exhibition Hall.