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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 Pass Mountain Trail Runs, Red Rock Canyon Ultra and Rosaryville Veterans Day 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.
Pass Mountain Trail Runs
USAMesa, Arizona
Desert trail races from Usery Mountain Regional Park, with longer courses exploring Pass Mountain and surrounding trail systems.
Date listed · latest organiser confirmation not yet checked.
Red Rock Canyon Ultra
USABlue Diamond, Nevada
Desert trail races through sandstone canyons, washes and Cottonwood Valley near Las Vegas, finishing in Blue Diamond.
Date listed · latest organiser confirmation not yet checked.
Rosaryville Veterans Day Trail Race
USAUpper Marlboro, Maryland
Rolling woodland trail races through Rosaryville State Park, beginning and ending at the Pavilion picnic area.
Date listed · latest organiser confirmation not yet checked.
Truth or Consequences Desert Ultra
USATruth or Consequences, New Mexico
Desert trail races on steep, rocky and sandy terrain near the Rio Grande, starting and finishing at Rotary Park.
Date listed · latest organiser confirmation not yet checked.
Wild Hare Trail Race
USAWarda, Texas
Looped trail races through the fields, wooded trails and short climbs of Bluff Creek Ranch, with a youth trail run.
Date listed · latest organiser confirmation not yet checked.
Austin Rattler Run
USABurnet, Texas
Trail running races on the singletrack, doubletrack and ranch roads of Reveille Peak Ranch in the Texas Hill Country.
Date listed · latest organiser confirmation not yet checked.
Colorado Cold Rush Ultra
USAColorado Springs, Colorado
Trail races from Bear Creek Regional Park, with longer routes climbing historic High Drive above Colorado Springs.
Date listed · latest organiser confirmation not yet checked.
Dinosaur Valley Endurance Run
USAGlen Rose, Texas
Trail races over the rocks, roots and rolling hills of Dinosaur Valley State Park, with morning and evening short-course options.
Date listed · latest organiser confirmation not yet checked.
Dizzy Fifties
USAHuntsville, Alabama
Figure-eight trail races on Monte Sano, combining plateau trails with a descent and climb through the Sinks area.
Date listed · latest organiser confirmation not yet checked.
Duncan Ridge Trail
USABlairsville, Georgia
Mountain trail races using the Coosa Backcountry and Duncan Ridge trails, starting and finishing at Vogel State Park.
Date listed · latest organiser confirmation not yet checked.
Fall Creek 100
USASpencer, Tennessee
Trail ultras through Fall Creek Falls State Park, passing waterfalls, suspension bridges, forest paths and the lake shoreline.
Date listed · latest organiser confirmation not yet checked.
Fire Fest Ultra
USALogandale, Nevada
Desert trail races through the sandstone scenery of the Logandale Trail System near Valley of Fire, with Saturday and Sunday programmes.
Date listed · latest organiser confirmation not yet checked.
Griffith Park Trail Races
USALos Angeles, California
Hilly trail races on Griffith Park’s singletrack and fire roads, starting at the Merry-Go-Round parking area.
Date listed · latest organiser confirmation not yet checked.
Père Malfait Trail Race
USABastrop, Louisiana
Flat trail races following the reservoir levee at Bussey Brake, with exposed stretches and wooded sections.
Date listed · latest organiser confirmation not yet checked.
The Stuffed Turkey Endurance Races
USAGranger, Iowa
Looped trail races at Jester Park with rolling hills, flat stretches and an equestrian-centre base.
Date listed · latest organiser confirmation not yet checked.
Fifth Street Cross Black Friday 100
USAEmmaus, Pennsylvania
Black Friday running races on repeated short trail loops at the Fifth Street Cross course, alongside separate cycling events.
Date listed · latest organiser confirmation not yet checked.
Bosque Bigfoot Trail Runs
USAAlbuquerque, New Mexico
Trail races through Albuquerque’s riverside bosque, using singletrack and jeep roads among the cottonwoods.
Date listed · latest organiser confirmation not yet checked.
Colorado River Run
USACedar Creek, Texas
Trail races along the Colorado River at McKinney Roughs, with long ultras on Friday and shorter races on Saturday.
Date listed · latest organiser confirmation not yet checked.
Squatchy Leftovers
USAWest Orange, New Jersey
Trail races on a loop combining carriage roads and rocky singletrack in South Mountain Reservation, supporting Bigger Than The Trail.
Date listed · latest organiser confirmation not yet checked.
Turkey Burn Ultra
USAClermont, Florida
Thanksgiving weekend trail races through Lake Louisa State Park’s sand hills, forest and lakeside terrain.
Date listed · latest organiser confirmation not yet checked.
Calero Trail Run Winter
USASan Jose, California
Winter trail races on Calero County Park’s singletrack and rolling dirt paths, with several distances from one mile to an ultra.
Date listed · latest organiser confirmation not yet checked.
Cloudland Canyon Trail Races
USARising Fawn, Georgia
A weekend of trail races through Cloudland Canyon, with waterfall views, steep canyon climbs and shorter Sunday options.
Date listed · latest organiser confirmation not yet checked.
Devil Dog Ultras
USATriangle, Virginia
Looped ultras through Prince William Forest Park, combining wooded singletrack, rolling hills and short fire-road sections.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
HAROC Hanging Rock Challenge
USADanbury, North Carolina
Technical trail races among Hanging Rock State Park’s cliffs, waterfalls and rocky woodland paths.
Date listed · latest organiser confirmation not yet checked.
Isle du Bois Trail Run
USAPilot Point, Texas
Loop races on singletrack beside Lake Ray Roberts, mixing runnable stretches with rocks and roots.
Date listed · latest organiser confirmation not yet checked.
Jackson County Ultras
USABrownstown, Indiana
Rugged trail races in Jackson-Washington State Forest with a start and finish at PYOCA Camp and Retreat Center.
Date listed · latest organiser confirmation not yet checked.
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.
Date listed · latest organiser confirmation not yet checked.
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.
Date listed · latest organiser confirmation not yet checked.
McDowell Mountain Frenzy
USAFountain Hills, Arizona
Desert trail races through McDowell Mountain Regional Park, starting from the Competitive Track area.
Date listed · latest organiser confirmation not yet checked.
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.
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) →