West
Terrain
Format
Course
Distance
Elevation
Difficulty
Cutoff
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Continent
Country
1
Region
State
Year
Season
Month
UTMB Qualification
126 races
Oct 1, 2026 (Thu)
Bellingham, Washington, United States
Oct 1-3, 2026 (Thu-Sat)
Bend, Oregon, United States
Oct 2-3, 2026 (Fri-Sat)
Kaysville, Utah, United States
Mountain ultramarathon along the Wasatch Front with 20,869 feet of vertical gain, rugged singletrack, exposed ridges, and scenic canyon trails
Oct 2-4, 2026 (Fri-Sun)
Los Olivos, California, United States
One-mile hard-packed dirt loop with direction changes every four hours, frequent aid stations, and personal camp support throughout timed ultra options.
Wrightwood, California, United States
Rugged 100-mile route through the San Gabriel Mountains' primitive wilderness, featuring rough terrain and scenic, largely untouched backcountry
Oct 2-6, 2026 (Fri-Tue)
Mammoth Lakes, California, United States
214-mile loop race around Mammoth Lakes, spanning the Eastern Sierra with 9,346 m of climbing over five days and a 108-hour cutoff
Oct 3-4, 2026 (Sat-Sun)
Whitefish, Montana, United States
Challenging 50k course with 6,300 feet of elevation gain, single and double-track terrain, and a summit ascent on Montana's Whitefish Trail
Yachats, Oregon, United States
Rocky bluffs, sandy beaches, old-growth rainforest, and headlands with Pacific Ocean views in the Cape Perpetua National Scenic Area
Oct 3, 2026 (Sat)
Montrose County, Colorado, United States
Historic Uravan Ballpark start and finish, abandoned mining roads, desert single-track, canyon passages, slick-rock, and river confluence views
Gunnison, Colorado, United States
360-degree mountain views in Hartman Rocks Recreation Area, technical slickrock, smooth singletrack, doubletrack, and sagebrush hills
Ketchum, Idaho, United States
Diverse terrain from dense forests to alpine areas, steep climbs and demanding descents, 7,000 feet of elevation gain, reaching 8,550 feet high point
Buxton, Oregon, United States
Double out-and-back route on asphalt, gravel, and dirt trails with over 10,000 feet of elevation gain through Stub Stewart State Park and Vernonia Lake
Prescott, Arizona, United States
50- or 100-mile clockwise loop around Prescott, linking standout singletrack and backcountry trails across rugged central Arizona terrain
Woodland Park, Colorado, United States
Colorado fall colors, views of Pikes Peak, Lovell Gulch climbs, Rampart Range Road, singletrack near Rampart Reservoir, National Forest mountain vistas
Julian, California, United States
Three-loop course through Cuyamaca Rancho State Park, summiting Cuyamaca Peak, circling Oakzanita Peak, and running PCT segments with desert views.
Lakewood, Colorado, United States
Diverse and challenging dirt and single-track trails, panoramic vistas, moderate elevation gain of 1,930 ft (50km) and 4,250 ft (100km)
Baker Lake, Washington, United States
Long-distance route along the Baker Lake Trail with Mt. Baker views and trailside scenery in the Baker Lake Recreation Area
Castle Rock, Colorado, United States
Expansive Castle Rock trails and Ridgeline Open Space, soft single and double track, scenic butte views, and optional 200-step Challenge Hill finish
Denver, Colorado, United States
Plevna, Montana, United States
Flat 1-mile loop along a lakeshore, sunrise views, mixed weather conditions, wildlife sightings, and a self-supported, low-key atmosphere
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Showing 1 - 20 of 126 events