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Trail ultramarathons in North America
Compare trail ultramarathons across North America and choose where to compete next. Compare 268 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Lake Norman State Park Trail Race, Last Chance Ultra and McDowell Mountain Frenzy.
Narrow your search to United States, Canada and Mexico.
290 listed events · 268 with upcoming dates
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Upcoming ultramarathons
268 matching events, earliest date first. Entry availability is shown separately.
Lake Norman State Park Trail Race
USATroutman, North Carolina
Trail races on rolling singletrack through Lake Norman State Park, starting and finishing behind the visitor centre.
· 50K
Race details, entry and past editions →Entry information ↗Last Chance Ultra
USARogersville, Missouri
Looped ultras on private land near Springfield, with trails, gravel and short paved sections plus a Sunday ten-mile race.
· 100K / 50K
Race details, entry and past editions →Entry information ↗McDowell Mountain Frenzy
USAFountain Hills, Arizona
Desert trail races through McDowell Mountain Regional Park, starting from the Competitive Track area.
· 50K
Race details, entry and past editions →Entry information ↗Mosaic Trail Race
USABurnet, Texas
Trail races at Canyon of the Eagles on Lake Buchanan, with distances for adults and a one-mile youth race.
· 50K
Race details, entry and past editions →Entry information ↗OTHTC High Desert Ultra
USARidgecrest, California
Desert trail races on rolling dirt roads above Ridgecrest, starting and finishing at Cerro Coso Community College.
· 50K
Race details, entry and past editions →Entry information ↗San Joaquin River Trail
USAFriant, California
Trail races following the hills beside Millerton Lake and the San Joaquin River, starting at South Finegold Picnic Area.
· 50K
Race details, entry and past editions →Entry information ↗Sawmill Trail Runs
USAPine, Colorado
Winter trail races through Staunton State Park’s meadows, forests and granite outcrops near Pine.
· 50K
Race details, entry and past editions →Entry information ↗The Guv’nor Frozen 50
USADodgeville, Wisconsin
Winter trail races through Governor Dodge State Park, with three distances on wooded and open park trails.
· 50K
Race details, entry and past editions →Entry information ↗Beast of the East 100
USAKings Mountain, North Carolina
Mountain trail races through Crowders Mountain State Park, starting and finishing at Crowders Ridge.
· 100K
Race details, entry and past editions →Entry information ↗Bell Ringer Trail Run
USABurns, Tennessee
Woodland trail races in Montgomery Bell State Park with three distances from the hotel parking area.
· 50K
Race details, entry and past editions →Entry information ↗Doomsday
USACool, California
Trail races from the Cool Staging Area, with a 50K ultra and half marathon through the surrounding foothills.
· 50K
Race details, entry and past editions →Entry information ↗Magnus Gluteus Maximus
USAClifton, Virginia
A low-key trail 50K on the Bull Run–Occoquan Trail from Hemlock Overlook Regional Park.
· 50K · Entry closed
Race details, entry and past editions →MCW Holmdel Classic
USAHolmdel, New Jersey
Charity trail races on repeated loops through Holmdel Park, with approximate ultra, half-marathon and single-loop options.
· 50K
Race details, entry and past editions →Entry information ↗PhoMo 50K
USAPhoenix, Arizona
A self-navigated trail ultra through the rocky Phoenix Mountain Preserves, starting and finishing at Shadow Rock Church.
· 50K
Race details, entry and past editions →Entry information ↗Mel Williams Memorial Seashore 50K
USAVirginia Beach, Virginia
A two-loop trail ultra through First Landing State Park in memory of Mel Williams.
· 50K
Race details, entry and past editions →Entry information ↗Palmetto Bluff Buffalo Run
USABluffton, South Carolina
Looped trail races at Palmetto Bluff, with three solo distances and relay options for the longer races.
· 50K
Race details, entry and past editions →Entry information ↗Naked Nick
USALeesport, Pennsylvania
Winter trail races on the south side of Blue Marsh Lake, with one or two laps of a woodland and gravel course.
· 50K
Race details, entry and past editions →Entry information ↗Woodside Ramble
USAWoodside, California
Trail races through the redwood forest and hills of Huddart County Park.
· 50K
Race details, entry and past editions →Entry information ↗Jupiter Ridge Sand Spur
USAJupiter, Florida
Sand-dune trail races at Jupiter Ridge, including a 30K night race.
· 50K
Race details, entry and past editions →Entry information ↗Recover From the Holidays 50K
USAHuntsville, Alabama
A low-key 50K on rolling grass loops in Huntsville.
· 50K
Race details, entry and past editions →Entry information ↗Run Undead Ultra Trail Party
USAPelham, Alabama
New Year trail races on a five-mile loop at Oak Mountain State Park.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Canyon of the Eagles New Year’s Trail Challenge
USABurnet, Texas
Two days of New Year trail races on the limestone bluffs around Canyon of the Eagles.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Croom Zoom
USABrooksville, Florida
Trail races through the oak hammocks and shaded terrain of Croom Park.
· 50K
Race details, entry and past editions →Entry information ↗Hacienda Hills Trail Run – Winter
USASan Jose, California
Winter trail races through the hills of Almaden Quicksilver County Park.
· 50K
Race details, entry and past editions →Entry information ↗Willis River
USACumberland, Virginia
Low-key trail races through Bear Creek Lake State Park and the Willis River trails.
· 50K
Race details, entry and past editions →Entry information ↗Angela Ivory Memorial Runs
USAFelton, Delaware
Community-supported distance and timed races on the trails around Killens Pond.
· 50K
Race details, entry and past editions →Entry information ↗Bandera Endurance Trail Race
USABandera, Texas
A weekend of rugged trail races through the Texas Hill Country.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Frosty Fifty Trail Races
USAWinston-Salem, North Carolina
Trail races on the packed dirt and gravel paths around Salem Lake, with a Friday night 5K.
· 50K
Race details, entry and past editions →Entry information ↗Frozen Gnome
USACrystal Lake, Illinois
Winter trail races on a challenging 10K loop through Veteran Acres and Sterne’s Woods.
· 50K
Race details, entry and past editions →Entry information ↗Frozen Sasquatch
USACharleston, West Virginia
Winter trail races through Kanawha State Forest.
· 50K
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Open the race archive to browse past events and races awaiting a new date.
View full race archive (22) →