Ultramarathons in the United States
Find ultramarathons in the United States. Compare 387 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 Stillhouse 100K, West Texas Ultra and Whiskey Basin Trail Runs.
Narrow your search to Texas, California and Arizona, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
469 listed events · 387 with upcoming dates
Upcoming ultramarathons
387 matching events, earliest date first. Entry availability is shown separately.
Stillhouse 100K
USASoddy-Daisy, Tennessee
Trail ultramarathon in the Soddy-Daisy area.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
West Texas Ultra
USAFritch, Texas
Trail races through the rugged landscape of Lake Meredith National Recreation Area.
Date listed · latest organiser confirmation not yet checked.
Whiskey Basin Trail Runs
USAPrescott, Arizona
Trail races around Prescott and the Granite Dells.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Yakima Skyline Trail Runs
USAEllensburg, Washington
Rainshadow Running trail races in the Yakima River Canyon near Ellensburg, Washington, offering 50K and 25K courses.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
The Canyons Endurance Runs™ by UTMB®
USAAuburn, California
The Canyons Endurance Runs™ by UTMB® — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Pandora’s Box of Rox
USABurnet, Texas
Rocky trail races at Reveille Peak Ranch near Burnet.
Date listed · latest organiser confirmation not yet checked.
Thelma and Louise Marathon and Half
USAMoab, Utah
A women-focused trail running event on dirt roads, slickrock and sandy washes near Moab.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Thumb Coast Ultra
USACaseville, Michigan
Ultra races across Michigan’s Thumb, using predominantly dirt and gravel roads.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Jack Bristol Lake Waramaug Ultra Races
USAKent, Connecticut
Road ultras around scenic Lake Waramaug.
Date listed · latest organiser confirmation not yet checked.
Coyote Two Moon
USAOjai, California
Mountain ultras through Los Padres National Forest above Ojai.
Date listed · latest organiser confirmation not yet checked.
Salt Flats Endurance Runs
USAWendover, Utah
Ultras across the Bonneville Salt Flats and surrounding hills, with a shorter fun run.
Date listed · latest organiser confirmation not yet checked.
Desert Wolf
USAJohnson City, Texas
Trail ultras and shorter races at Flat Creek Crossing Ranch.
Date listed · latest organiser confirmation not yet checked.
Rise Sasquatch Shuffle
USAGrapeland, Texas
Loop trail races at Salmon Lake Park near Grapeland.
Date listed · latest organiser confirmation not yet checked.
Sun Mountain Trail Races
USAWinthrop, Washington
Rainshadow Running trail races around Sun Mountain near Winthrop, Washington, with 50-mile, 50K and 25K options.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Cocodona
USABlack Canyon City, Arizona
Point-to-point ultras across the mountains and desert of central and northern Arizona.
Date listed · latest organiser confirmation not yet checked.
Grizzly Peak Trail Run
USABerkeley, California
Trail races through the wooded hills of Tilden Regional Park.
Date listed · latest organiser confirmation not yet checked.
Traverse City Trail Running Festival
USATraverse City, Michigan
A two-day trail-running festival on the Pere Marquette Forest trails.
Date listed · latest organiser confirmation not yet checked.
Valkyrie Trail Race
USAColorado Springs, Colorado
Women-focused trail races in Cheyenne Mountain State Park.
Date listed · latest organiser confirmation not yet checked.
3 Days at the Fair
USAAugusta, New Jersey
Multi-day timed races, marathons and 50Ks on a certified one-mile fairground loop.
Date listed · latest organiser confirmation not yet checked.
Born to Run Ultra Marathons
USALos Olivos, California
A trail-running festival on dirt ranch roads and singletrack near Los Olivos.
Date listed · latest organiser confirmation not yet checked.
UTAH 115
USAKanab, Utah
Desert ultras from Kanab through canyons, dunes and sandstone country.
Date listed · latest organiser confirmation not yet checked.
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.
The Underground Circus 100
USASmyrna, Georgia
Ultras and timed races on the Silver Comet Trail at Smyrna.
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.
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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