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Trail ultramarathons in North America
Compare trail ultramarathons across North America and choose where to compete next. Compare 333 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 East Texas Ultra, Rothrock by UTMB and Highball to Thurmond Ultra.
Narrow your search to United States, Canada and Mexico.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
380 listed events · 333 with upcoming dates
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Upcoming ultramarathons
333 matching events, earliest date first. Entry availability is shown separately.
East Texas Ultra
USAMineola, Texas
Trail races on the piney paths of Mineola Nature Preserve.
Date listed · latest organiser confirmation not yet checked.
Rothrock by UTMB
USAState College, PA
Rothrock by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Highball to Thurmond Ultra
USAThurmond, West Virginia
Trail ultras through New River Gorge National Park, finishing in Thurmond.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Hell Hole Hundred
USABethera, South Carolina
Summer trail ultras and shorter races in Francis Marion National Forest.
Date listed · latest organiser confirmation not yet checked.
Cinderella Trail Run
USAOakland, California
Trail races through Joaquin Miller and Redwood Regional parks.
Date listed · latest organiser confirmation not yet checked.
Eagle Up Ultra
USACanal Fulton, Ohio
Endurance races on a flat limestone towpath loop from St Helena Park.
Date listed · latest organiser confirmation not yet checked.
Malibu Canyon Trail Races
USAMalibu, California
Trail ultras and shorter races in Point Mugu State Park.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Orcas Island 50K & 25K
USAOlga, Washington
Trail races on Orcas Island, Washington, with separate 50K and 25K options.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Rose Canyon Ultra
USAHerriman, Utah
Mountain trail races through Rose, Butterfield and Yellow Fork canyons.
Date listed · latest organiser confirmation not yet checked.
Ultra Trail Chattanooga by UTMB
USAChattanooga Tennessee
Ultra Trail Chattanooga by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Weld Your Mettle Running Festival
USAEaton, Colorado
Loop running races and timed endurance challenges near Eaton.
Date listed · latest organiser confirmation not yet checked.
Kaniksu Trail Runs
USAFrater Lake, Washington
Mountain trail races in the Lower Selkirk Mountains from Frater Lake.
Date listed · latest organiser confirmation not yet checked.
Snow Peaks 50 Mile Trail Run
USAProvo, Utah
A demanding mountain trail ultramarathon through the Wasatch Mountains above Provo.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Summer Trail Fest Ultra
USALaingsburg, Michigan
Summer trail races at Sleepy Hollow State Park, ranging from five miles to a 50-mile ultra.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Summits Trail Runs
USAGranby, Colorado
Mountain trail races at Granby Ranch Resort, with shorter races and ultra distances.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Two Hearted Trail Run
USAParadise, Michigan
Trail races through the Two Hearted River area, finishing at Tahquamenon Falls.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Froggy Mountain 100
USAGalax, Virginia
Mountain ultras on a steep one-mile private forest trail loop.
Date listed · latest organiser confirmation not yet checked.
Rock River Canyon
USAMunising, Michigan
Trail races through forest and remote river valleys near Munising.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Texoma Challenge
USADenison, Texas
Evening trail races on the Waterloo Park trails in Denison.
Date listed · latest organiser confirmation not yet checked.
Ultra Trail Whistler by UTMB
CANCreekside Plaza
Ultra Trail Whistler by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Western States Endurance Run
USAOlympic Valley, California
The world’s oldest 100-mile trail race, from Olympic Valley to Auburn.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Hardrock Hundred
USASilverton, Colorado
High-altitude 100-mile loop through the San Juan Mountains.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Silverheels Trail Runs
USAComo, Colorado
High-altitude trail and dirt-road races around Como and the South Park Valley.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Siskiyou Out Back Trail Runs
USAAshland, Oregon
Mountain trail races around Ashland and the Siskiyou Crest.
Date listed · latest organiser confirmation not yet checked.
Devil's Gulch
USAWenatchee, Washington
Mountain trail ultras and a half marathon from Mission Ridge.
Date listed · latest organiser confirmation not yet checked.
Noche Trail Runs
USAJunction, Texas
Night trail races in the rocky hills of South Llano River State Park.
Date listed · latest organiser confirmation not yet checked.
San Lorenzo River Trail Run
USASanta Cruz, California
Trail races through redwood forests and across the San Lorenzo River.
Date listed · latest organiser confirmation not yet checked.
Vero Beach Octopus Ultra
USAVero Beach, Florida
Ultras through the exposed and shaded trails around Vero Beach.
Date listed · latest organiser confirmation not yet checked.
Waugoshance Trail Run
USAMackinaw City, Michigan
Trail races through coastal forests in Emmet County, finishing in Mackinaw City.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Austin Solstice Circuit
USASpicewood, Texas
Evening, overnight and morning loop races at Pace Bend Park.
Date listed · latest organiser confirmation not yet checked.
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.
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