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Trail 50k events in North America
Compare trail 50k events across North America and choose where to compete next. Compare 247 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 Atlanta Fat Ass, Coldwater Hundred and Harbison Trail Race.
Narrow your search to United States and Canada.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
261 listed events · 247 with upcoming dates
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Upcoming 50k events
247 matching events, earliest date first. Entry availability is shown separately.
Atlanta Fat Ass
USALithia Springs, Georgia
Member-only winter trail races at Sweetwater Creek State Park.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Coldwater Hundred
USAGoodyear, Arizona
Desert trail races through the foothills of the Sierra Estrella mountains.
Date listed · latest organiser confirmation not yet checked.
Harbison Trail Race
USAColumbia, South Carolina
Winter trail races through Harbison State Forest.
Date listed · latest organiser confirmation not yet checked.
Helen Holiday Trail Race
USAHelen, Georgia
Winter trail races around Unicoi State Park and Anna Ruby Falls.
Date listed · latest organiser confirmation not yet checked.
Ouachita Switchbacks
USABig Cedar, Oklahoma
Technical trail races on the Ouachita Trail near Big Cedar.
Date listed · latest organiser confirmation not yet checked.
Southern Tour Ultra
USAWilmington, North Carolina
Looped trail ultras and a relay in the Wilmington area.
Date listed · latest organiser confirmation not yet checked.
The Shippey
USAHigh Ridge, Missouri
A weekend of winter trail races at Beaumont Scout Reservation.
Date listed · latest organiser confirmation not yet checked.
Tsali Ultra
USABryson City, North Carolina
Trail races around the Tsali Recreation Area beside Fontana Lake.
Date listed · latest organiser confirmation not yet checked.
Crystal Springs Winter Trail Run
USAWoodside, California
Winter trail races through Huddart Park and the coastal redwoods.
Date listed · latest organiser confirmation not yet checked.
Waterfall 50K
USALuray, Virginia
A member-only winter trail ultra in the Massanutten Mountains.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Florida Roots Trail Series: Fort Clinch
USAFernandina Beach, Florida
Singletrack trail races around the historic Fort Clinch.
Date listed · latest organiser confirmation not yet checked.
Folsom Lake Sweetwater Trail Run
USAEl Dorado Hills, California
Trail races beside Folsom Lake, mainly on singletrack with some dirt road.
Date listed · latest organiser confirmation not yet checked.
Mountain Mist 50K
USAHuntsville, Alabama
A technical 50K on the rocky trails of Monte Sano.
Date listed · latest organiser confirmation not yet checked.
Pemberton Trail Races
USAFountain Hills, Arizona
Desert trail races on the Pemberton Trail.
Date listed · latest organiser confirmation not yet checked.
Rise Alamo City Trail Ultra
USASan Antonio, Texas
Trail races through Eisenhower Park in San Antonio.
Date listed · latest organiser confirmation not yet checked.
Del Dios Trail Race
USAEscondido, California
Trail races around Lake Hodges, with singletrack and dirt service roads.
Date listed · latest organiser confirmation not yet checked.
Rocks and Roots Winter Series
USALewis Center, Ohio
Winter trail races on the Rocks and Roots Trail at Alum Creek State Park.
Date listed · latest organiser confirmation not yet checked.
Arches Ultra
USAMoab, Utah
Winter trail races beside Arches National Park on the Bar M, Klonzo and Klondike trail systems.
Date listed · latest organiser confirmation not yet checked.
AZT Oracle Rumble
USAOracle, Arizona
Trail races through Oracle State Park and along the Arizona National Scenic Trail.
Date listed · latest organiser confirmation not yet checked.
Coo-Wah-Chobee
USAVenice, Florida
Trail races through Carlton Reserve on singletrack and wider paths.
Date listed · latest organiser confirmation not yet checked.
This Ain’t Your Mothers 50K & Trail Marathon
USAMiddleburg, Florida
Trail races on the Pioneer Trail through Jennings State Forest.
Date listed · latest organiser confirmation not yet checked.
Elephant Mountain Trail Runs
USACave Creek, Arizona
Desert trail races around Cave Creek, Spur Cross and Elephant Mountain.
Date listed · latest organiser confirmation not yet checked.
Fort Ord Trail Run
USASalinas, California
Trail races through Fort Ord National Monument across two days.
Date listed · latest organiser confirmation not yet checked.
Millstone Trail Races
USAFort Mill, South Carolina
Technical trail races at Anne Springs Close Greenway, formerly the Mill Stone 50 K.
Date listed · latest organiser confirmation not yet checked.
North Texas Ultra
USAJacksboro, Texas
Trail ultras and shorter races on the fine-gravel Lost Creek Reservoir State Trailway.
Date listed · latest organiser confirmation not yet checked.
Stone Mountain Massacre
USARoaring Gap, North Carolina
Hilly trail races across Stone Mountain State Park.
Date listed · latest organiser confirmation not yet checked.
The Daydreamer
USAPatagonia, Arizona
Trail races through the hills around Patagonia and the Arizona Trail.
Date listed · latest organiser confirmation not yet checked.
Iron Heart Ultra
USASt. James, Missouri
Trail ultras and shorter races at Maramec Spring Park.
Date listed · latest organiser confirmation not yet checked.
Black Canyon Ultras — 50K
USASpring Valley, Arizona
Historical results collected from the UTMB Index.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Febapple Frozen Fifty
USAMaplewood, New Jersey
Winter trail races on hilly loops through South Mountain Reservation.
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.
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