12hr
Terrain
Format
1
Course
Distance
Elevation
Difficulty
Cutoff
≥
:
Continent
Country
Year
Season
Month
UTMB Qualification
42 races
Jul 4, 2026 (Sat)
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 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)
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 25, 2026 (Sat)
Pinole, California, United States
Scenic loop route on dirt fire trails with modest elevation gain and classic trail ambiance
Aug 8, 2026 (Sat)
Napa, California, United States
Time-based ultrarun in Napa's Skyline Wilderness Park, 4.16-mile trail loop with 815 feet of gain per lap through rolling hills and historic landscapes
Eynesbury, East of England, United Kingdom
12-hour looped multi-terrain challenge on a flat 7 km course amid the scenic landscapes of St Neots with a lively festival atmosphere
Aug 14, 2026 (Fri)
Casper, Wyoming, United States
Overnight time-based event on Casper Mountain’s forested summit trails, featuring solo and relay options with flexible pacing and lap format.
Aug 22, 2026 (Sat)
Middleton, Wisconsin, United States
Historic Blackhawk Ski Club loop with 367 feet of gain per 2.25-mile lap, 50-foot pines, spring pool, rope swing, and climb beneath the ski jump
Aug 29, 2026 (Sat)
Villenave-d'Ornon, Nouvelle-Aquitaine, France
Sep 12, 2026 (Sat)
Chicago, Illinois, United States
Scenic 1-mile paved loop in a 58-acre city park, rotating hourly challenges, 6- or 12-hour format, solo or relay options, central aid station and vendor
Nantes, Pays de la Loire, France
Sep 19, 2026 (Sat)
Morristown, Tennessee, United States
Scenic 3-mile loop through fields and woods beside Cherokee Lake, featuring wide and single-track trails, wooden bridges, and cross country-style terrain
Sep 26, 2026 (Sat)
Lakeland, Florida, United States
12-hour loop around Lake Hollingsworth on paved walkways, 2.84-mile laps, solo or relay, lakeside views, hot food, and a capped field
Oct 10, 2026 (Sat)
Fayette County, West Virginia, United States
Loop-based timed ultra in Wisconsin’s Southern Kettle Moraine Forest, with solo or relay laps shaped by endurance, pacing, and strategy.
Oct 16-17, 2026 (Fri-Sat)
Monroe, New Jersey, United States
Scenic winery course with 24 hourly 5K loops, varied terrain from hard-packed dirt to sand and mud, winding through vineyard rows and around two lakes
Oct 17, 2026 (Sat)
Chillicothe, Ohio, United States
Figure-eight trail loop featuring hard-packed paths, technical sections, and overlooks with striking Ohio autumn foliage, 12-hour solo or pair format
Bear, Delaware, United States
Scenic trails through Lums Pond State Park with 70% single track, 10% gravel, 20% wider paths, mostly flat with gentle rolling terrain
Mancos, Colorado, United States
Lap-based ultra in Montezuma County’s high desert with steep climbs, rocky descents, and views of Mesa Verde and Sleeping Ute Mountain.
Oct 24, 2026 (Sat)
Salt Lake City, Utah, United States
Fixed-time ultramarathon on a paved 1.4-mile loop around Liberty Park, featuring 6-hour, 12-hour, and relay race options
Nov 7, 2026 (Sat)
New Boston, New Hampshire, United States
Largely flat 4-mile loops on the New Boston Rail Trail by the Piscataquog River and Hillsborough fairgrounds
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Showing 1 - 20 of 42 events