West
Terrain
Format
Course
Distance
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Continent
Country
Region
State
Year
Season
Month
UTMB Qualification
48 races
Jan 16, 2027 (Sat)
Goodyear, Arizona, United States
Desert singletrack and foothill paths in Estrella Mountain Regional Park, with Sonoran scenery and 100K or 100-mile options.
Honolulu, Hawaii, United States
Rugged mountain trails above Honolulu with steep climbs, technical terrain, tropical forest, and panoramic Pacific Ocean views
Jan 30, 2027 (Sat)
Boulder City, Nevada, United States
Rugged Nevada desert ultra on a demanding 12.5-mile loop: 90%+ singletrack, technical terrain, steep climbs, fast descents, and Black Mountain.
Feb 6, 2027 (Sat)
Bainbridge Island, Washington, United States
Multi-distance looped course connecting Bainbridge Island’s top public and private trail networks, with February weather and minimal road segments
Feb 13-14, 2027 (Sat-Sun)
Mesquite, Nevada, United States
10-mile desert loop with steep climbs and descents, packed dirt and rocky terrain, elevations from 1903 to 2333 feet, expansive mountain and desert views
Big Lake, Alaska, United States
100-mile marked winter loop through frozen rivers, swamps, and wooded trails with mountain views, possible aurora sightings, and wildlife encounters
Feb 19-20, 2027 (Fri-Sat)
Henderson, Nevada, United States
Certified 1.2-mile loop with gentle elevation, 95% hard surface, scenic lake and bridge crossings, and generous time limits in Henderson, Nevada
Feb 26-28, 2027 (Fri-Sun)
Remote Arizona Strip loop on ATV trails through rocky canyons and Joshua tree country, with steep climbs, rugged footing, and wide-open views
Feb 26, 2027 (Fri)
Orcas Island, Washington, United States
100.8-mile Orcas Island loop with steep singletrack, mountain lakes, ancient forests, Salish Sea views, and 26,000 feet of elevation gain
Feb 27, 2027 (Sat)
Los Angeles, California, United States
Rolling 2-mile loops through Will Rogers State Park, gentle terrain, multiple laps, fully stocked aid station, solo and relay formats, 24- and 12-hour options
Mar 12, 2027 (Fri)
Pinedale, Wyoming, United States
Rugged Wyoming wilderness, snow-covered trails, subfreezing temperatures, ski, bike, or run routes inspired by historic cattle drives
Mar 18-20, 2027 (Thu-Sat)
Eagle, Idaho, United States
Flat, scenic dirt trail loop at Eagle Island State Park near Boise, Idaho
Mar 26-27, 2027 (Fri-Sat)
Richland, Washington, United States
Badger Mountain Preserve trails with wide-open terrain and sweeping Columbia Basin views in Richland.
Apr 3-4, 2027 (Sat-Sun)
Reedley, California, United States
Scenic lap course through Reedley farmland, orchards, vineyards, and along the Kings River, racing from sunset through moonlit night to dawn
Apr 3, 2027 (Sat)
Buxton, Oregon, United States
Double out-and-back course across asphalt, gravel, and dirt trails with over 10,000 feet of gain through Oregon parkland and small-town landscapes
Superior, Arizona, United States
105-mile point-to-point on remote singletrack through southern Arizona, with 12,500+ ft of climbing across desert, oak woodlands, and mountain terrain.
Apr 4, 2027 (Sun)
Fairbanks, Alaska, United States
Remote Alaska winter ultra amid jagged limestone peaks, with steep climbs, glare ice, drifting snow, and constantly changing trail conditions.
Apr 10, 2027 (Sat)
Apple Valley, Utah, United States
Southern Utah desert course with mesa ascents, panoramic views, and technical terrain near Zion National Park
Apr 11, 2027 (Sun)
Bellvue, Colorado, United States
Ultra-distance courses along the Poudre River Trail from Watson Lake to Greeley, featuring scenic Northern Colorado landscapes and aid stations.
Apr 16-17, 2027 (Fri-Sat)
Corona, California, United States
Looped course at Cesar Chavez Academy in south Corona foothills, with options for 1/4 or 1-mile loops and scenic day and night views
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Showing 1 - 20 of 48 events