West
Terrain
Format
Course
Distance
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Difficulty
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Continent
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Region
State
Year
Season
Month
UTMB Qualification
37 races
Jan 1, 2027 (Fri)
Kearns, Utah, United States
Smooth, climate-controlled indoor track at the Olympic Oval; five-hour timed event on a repetitive loop circuit
Jan 2, 2027 (Sat)
Whitethorn, California, United States
Rugged Lost Coast landscapes, remote backcountry gravel and pavement, starting from Horse Creek Mountain trailhead near Shelter Cove
San Jose, California, United States
Scenic trail routes through Hacienda Hills with Bay Area views and challenging elevation at Almaden Quicksilver County Park
Jan 8, 2027 (Fri)
Idaho Falls, Idaho, United States
Winter backyard ultra in Idaho Falls: repeating grass, dirt, and pavement loop, variable snow, and a last-person-standing format.
Jan 9, 2027 (Sat)
Avalon, California, United States
Out-and-back ultra across Catalina Island with rugged terrain, Pacific Ocean views, and possible bison sightings from start and finish in Avalon.
Escondido, California, United States
Scenic, mostly fast trails with rolling singletrack, local landscapes, and a signature climb to Raptor Ridge on a 50-mile course suitable for all levels.
Queen Creek, Arizona, United States
Rolling singletrack through saguaro-studded Sonoran desert, with the steep, rocky Goldmine climb and wide-open views in San Tan Mountain Regional Park.
Auburn, California, United States
Western States trail route featuring No Hands Bridge, K2 training hill, single-track along American River, Robie Trail, Dead Truck, Goat Hill, and Overlook Hill
Yachats, Oregon, United States
Scenic Oregon coast 50K with coastal trails and post-race potluck at Yachats Commons
Hilo, Hawaii, United States
Point-to-point 31.1-mile route from Coconut Island to nearly 4,000 feet at Volcano, primarily along Highway 11 with a sea-level to high elevation climb
Bellevue, Washington, United States
Loop course on uneven, muddy winter trails at Bridle Trails State Park, shifting from daylight to night
Placerville, California, United States
El Dorado Trail route with stretches of pavement and rugged, unpredictable terrain; five minimal aid stations; self-supported format
Pullman, Washington, United States
Four 7.75-mile loops around Pullman on a scenic winter course through the Inland Northwest
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
Waipio, Hawaii, United States
Jan 16-17, 2027 (Sat-Sun)
Henderson, Nevada, United States
Ten 5ks within 24 hours on paved trail loops at Henderson’s Cornerstone Park, featuring frequent starts, green space for camping, and self-supported hydration
Olympia, Washington, United States
Mountain ascent on a cold, wet, and rugged course through scenic terrain; endurance-focused route reflecting Olytrailrunners tradition
Jan 17, 2027 (Sun)
Woodside, California, United States
Lush trails through Huddart Park, King's Mountain, and Bear Gulch surrounded by towering redwoods and dense ferns
Kirkland, Washington, United States
Scenic double out-and-back on Kirkland Corridor Trail with frequent runner sightings and easy aid station access
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Showing 1 - 20 of 37 events