Winter ultramarathons in Utah, United States

Scenic 10k desert loop near St. George with alternating directions, varied distances, and supportive trail running atmosphere

6-mile loop course from Confluence Park with 1.5-hour cutoff per loop, up to 17 loops for 102 miles, progressive elimination format

Smooth, climate-controlled indoor track at the Olympic Oval; five-hour timed event on a repetitive loop circuit

Scenic desert course along Arches National Park with technical slick rock, sandy sections, and sweeping views of Moab cliffs and La Sal Mountains

Groomed golf course 10K loop with 850 feet of gain, rugged single track mountain loop climbing 1100 feet, marathon and 50K snowshoe distances

Winter endurance loop on Grandeur Peak in the Wasatch Mountains, featuring challenging snowy conditions and views along the Wasatch Front.

Winter mountain loops on Malans Peak, Ogden City with snow and icy conditions; individual or team endurance formats supporting air quality causes

Rugged jeep trails and singletrack winding through red rock country near Moab, with vistas of the La Sal Mountains and Canyonlands National Park

Challenging 50K route through Monument Valley Navajo Tribal Park, singletrack and dirt roads, key climbs to Mitchell Mesa, iconic landmarks, variable weather