Explore by location
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 Weld Your Mettle Running Festival, Kaniksu Trail Runs and Summer Trail Fest Ultra.
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
Browse countries and territories
Upcoming 50k events
247 matching events, earliest date first. Entry availability is shown separately.
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.
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.
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.
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.
Siskiyou Out Back Trail Runs
USAAshland, Oregon
Mountain trail races around Ashland and the Siskiyou Crest.
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.
Elder Creek Night Runs
USAAnza, California
Night trail races through desert singletrack near Anza.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Rise in the Pines
USASmithville, Texas
Loop trail races through the pine woods of Rocky Hill Ranch.
Date listed · latest organiser confirmation not yet checked.
Black Bear Trail Races
USAWaterville Valley, New Hampshire
Mountain and forest trail races at Waterville Valley.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Harding Hustle
USAModjeska Canyon, California
Trail races through the Santa Ana Mountains on Harding Truck Trail.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Lost Sierra Endurance Race
USADownieville, California
Mountain trail races through the northern Sierra Nevada around Downieville.
Date listed · latest organiser confirmation not yet checked.
Pikes Peak Ultra
USAColorado Springs, Colorado
Mountain ultras and shorter trail races above Colorado Springs.
Date listed · latest organiser confirmation not yet checked.
Speedgoat Mountain Races by UTMB
USASandy, Utah
Speedgoat Mountain Races by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Grand Island Trail Runs
USAMunising, Michigan
Trail races around Grand Island on Lake Superior.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
White River Trail Races
USAGreenwater, Washington
Trail races near Greenwater in the Mount Rainier area, with 25K, 50K and 50-mile options.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Badger Trail Races by Ten Junk Miles Racing
USABelleville, Wisconsin
Rail-trail races on the Badger State and Jane Addams trails.
Date listed · latest organiser confirmation not yet checked.
Sheep Mountain Trail Runs
USAFairplay, Colorado
Mountain trail races and a half marathon based at Fairplay Beach.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Fiesta Night Run
USASan Antonio, Texas
Night trail races on the rugged trails of Eisenhower Park.
Date listed · latest organiser confirmation not yet checked.
Redwood Summer Trail Run
USAOakland, California
Trail races through Redwood Regional Park with a short children’s dash.
Date listed · latest organiser confirmation not yet checked.
Tahqua Trail Run
USAParadise, Michigan
Trail races around Tahquamenon Falls and the North Country Trail.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Olympic Mountains Trail Races
USAQuilcene, Washington
Mountain trail races through the Olympic National Forest near Quilcene.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Shawnee Hills Trail Races
USAOzark, Illinois
Technical trail ultras through the sandstone hills and forests around Camp Ondessonk.
Date listed · latest organiser confirmation not yet checked.
Rock Hawk Trail Races
USACastle Rock, Colorado
Trail races on the Miller Park and Ridgeline trail systems.
· 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.
View full race archive (14) →