12hr
Terrain
Format
Course
Distance
1
Elevation
Difficulty
Cutoff
≥
:
Continent
Country
Year
Season
Month
UTMB Qualification
414 races
Jul 4, 2026 (Sat)
Corydon, Indiana, United States
Nighttime endurance laps on an illuminated dirt horse track at Harrison County Fairgrounds with continuous chip timing and flexible distance
Eaton Ford, East of England, United Kingdom
Flat 7km loop on scenic trails near St. Neots, featuring spectator-friendly viewing and the distinctive Tent of Enlightenment on each lap
Jul 4-5, 2026 (Sat-Sun)
Minto, New South Wales, Australia
24-hour ultra on a 400m synthetic track at Campbelltown Sports Centre, Australian National 24 Hour Championships event
Atlanta, Georgia, United States
Scenic Kennesaw Mountain course passing historic sites, wooded trails, gravel, and asphalt, featuring sunrise and sunset views along an 8-mile out-and-back loop
Borås, Västra Götaland, Sweden
24-hour, 12-hour and 100 km racing on Ryavallen’s 400 m track in Borås, with a consistent surface, regular direction changes and round-the-clock support.
Jul 10-13, 2026 (Fri-Mon)
Adams, Massachusetts, United States
Scenic 1.9-mile loop at Notchview with a 0.2-mile climb, rolling single and double track, open fields, and cross-country ski trails
Jul 10-12, 2026 (Fri-Sun)
Dahlonega, Georgia, United States
Paved 1-mile loop with gentle elevation, direction changes, and a fully stocked aid station at the start/finish area
Jul 10, 2026 (Fri)
Chapel Hill, Tennessee, United States
Looped nighttime miles on runnable single-track dirt trails through cedar and hardwood forests along the Duck River, glowing with reflective markers
Jul 11, 2026 (Sat)
Atglen, Pennsylvania, United States
Rolling grassy hills on a compact cross country loop with team relay format, dusk headlamps required, and awards for most laps completed
Douglas, Wyoming, United States
Rugged mountain trails in the Laramie Range with a 2,800-foot climb to Laramie Peak’s 10,200-foot summit and alpine views
Redding, Connecticut, United States
1.776-mile loop through historic Putnam Memorial State Park, featuring multiple timed race options in a landscape tied to Revolutionary War history
Jul 17, 2026 (Fri)
Dixon, Illinois, United States
Half-mile pine forest loop in Lowell Park, continuous 6, 12, or 24-hour format with self-supported setup and solo or team options
Jul 18, 2026 (Sat)
Paola, Kansas, United States
Crushed limestone loops circling Miola Lake with well-stocked aid stations in a low-key, supportive ultramarathon setting
Pegram, Tennessee, United States
Flat, open field trail designed for speed, minimal obstacles, challenging heat, personal fueling spots, and a communal post-race food spread
Jacksonville, Florida, United States
Flat 1.25-mile paved loop on a former military base with asphalt, concrete, a brief gravel section, and shady pine trees
Mesa, Colorado, United States
Scenic alpine 10K loop with 1,546 feet of vertical gain per lap, technical trails through aspen groves and meadows at Powderhorn Mountain
Jul 18-19, 2026 (Sat-Sun)
Lexington, Kentucky, United States
Overnight looping relay and ultra at Kroger Field, with a paved course and a grassy, trail-like section for added variety.
Honeoye Falls, New York, United States
1.07-mile loop course with cross-country terrain, paved and unpaved sections, rolling hills, and natural obstacles like divots and tire tracks
Timed ultramarathon featuring 12-hour and 24-hour options on a one-mile loop with full aid station support and space for personal setups
Estes Park, Colorado, United States
2km out-and-back laps on the Thumb Open Space trail, with 540 feet of climbing each lap and a sustained focus on vertical gain.
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Showing 1 - 20 of 414 events