UTMB Index ultramarathons in United States

60k course with 1,600 feet of elevation gain on the varied trails of Red Wing Recreation Area in Lagrangeville, NY

11,400 feet of elevation gain across the Wasatch Mountains, summiting Snowbird, Baldy, and Hidden Peak amid alpine vistas

Three-day, 75-mile stage race on the SRKG Greenway with 15,500 feet of elevation gain, technical single-track, steep climbs, and lakeside scenery

Rugged point-to-point trail through the Finger Lakes, featuring challenging pathways and scenic summer landscapes

Challenging mountain courses through national forests west of the Shenandoah Valley, featuring fall foliage and panoramic vistas on demanding terrain.

High-elevation single-track trails between 7,000 and 9,000 feet, featuring 100-mile and 50-mile distances on rugged terrain.

Single-track trails through American Fork Canyon, dramatic mountain climbs, autumn scenery, 50 mile and 50K courses, frequent aid stations

Rugged 100-mile route through the San Gabriel Mountains' primitive wilderness, featuring rough terrain and scenic, largely untouched backcountry

Mountain routes near Los Angeles featuring Big Bear Lake views, Sugarloaf Mountain ascents, and descents into Siberia Canyon

Historic Midstate Trail routes through mountains, fields, and river crossings, with border crossings and New England autumn scenery

Point-to-point course on the Ozark Highlands Trail with significant ascents and steep climbs through remote Arkansas wilderness

100% trail loops at Jester Park with rolling hills, flat sections, and 4,550 feet of elevation gain over 100 miles; variable Iowa weather and pacer support from

Technical singletrack and rugged trails through Jackson-Washington State Forest, with scenic southern Indiana views and a community hub at Pyoca Camp