Explore by location
50K events in North America
Compare 50k events across North America and choose where to compete next. Compare 287 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 Palmetto Bluff Buffalo Run, Star of Texas and Tucson Marathon.
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.
312 listed events · 287 with upcoming dates
Upcoming 50k events
287 matching events, earliest date first. Entry availability is shown separately.
Palmetto Bluff Buffalo Run
USABluffton, South Carolina
Looped trail races at Palmetto Bluff, with three solo distances and relay options for the longer races.
Date listed · latest organiser confirmation not yet checked.
Star of Texas
USASpicewood, Texas
Looped road races at Pace Bend Park, listed by the organiser as the Holiday Victory Lap and currently entered as Star of Texas.
Date listed · latest organiser confirmation not yet checked.
Tucson Marathon
USATucson, Arizona
Point-to-point road races through the Sonoran Desert, with a marathon, half marathon and 50K finishing in Tucson.
Date listed · latest organiser confirmation not yet checked.
Naked Nick
USALeesport, Pennsylvania
Winter trail races on the south side of Blue Marsh Lake, with one or two laps of a woodland and gravel course.
Date listed · latest organiser confirmation not yet checked.
Texas Double
USADallas, Texas
Two days of looped road races around Bachman Lake, with three distances available on each day.
Date listed · latest organiser confirmation not yet checked.
Woodside Ramble
USAWoodside, California
Trail races through the redwood forest and hills of Huddart County Park.
Date listed · latest organiser confirmation not yet checked.
Jupiter Ridge Sand Spur
USAJupiter, Florida
Sand-dune trail races at Jupiter Ridge, including a 30K night race.
Date listed · latest organiser confirmation not yet checked.
Holiday Five
USAWinter Park, Florida
Five consecutive days of low-key races on the paved Cady Way Trail, with five distances each day.
Date listed · latest organiser confirmation not yet checked.
Go Big
USAVolcano, Hawaii
Long-distance road races across Hawaii’s Big Island, starting in Volcano.
Date listed · latest organiser confirmation not yet checked.
Recover From the Holidays 50K
USAHuntsville, Alabama
A low-key 50K on rolling grass loops in Huntsville.
Date listed · latest organiser confirmation not yet checked.
Run Undead Ultra Trail Party
USAPelham, Alabama
New Year trail races on a five-mile loop at Oak Mountain State Park.
Date listed · latest organiser confirmation not yet checked.
Canyon of the Eagles New Year’s Trail Challenge
USABurnet, Texas
Two days of New Year trail races on the limestone bluffs around Canyon of the Eagles.
Date listed · latest organiser confirmation not yet checked.
Croom Zoom
USABrooksville, Florida
Trail races through the oak hammocks and shaded terrain of Croom Park.
Date listed · latest organiser confirmation not yet checked.
Hacienda Hills Trail Run – Winter
USASan Jose, California
Winter trail races through the hills of Almaden Quicksilver County Park.
Date listed · latest organiser confirmation not yet checked.
Willis River
USACumberland, Virginia
Low-key trail races through Bear Creek Lake State Park and the Willis River trails.
Date listed · latest organiser confirmation not yet checked.
Angela Ivory Memorial Runs
USAFelton, Delaware
Community-supported distance and timed races on the trails around Killens Pond.
Date listed · latest organiser confirmation not yet checked.
Bandera Endurance Trail Race
USABandera, Texas
A weekend of rugged trail races through the Texas Hill Country.
Date listed · latest organiser confirmation not yet checked.
Frosty Fifty Trail Races
USAWinston-Salem, North Carolina
Trail races on the packed dirt and gravel paths around Salem Lake, with a Friday night 5K.
Date listed · latest organiser confirmation not yet checked.
Frozen Gnome
USACrystal Lake, Illinois
Winter trail races on a challenging 10K loop through Veteran Acres and Sterne’s Woods.
Date listed · latest organiser confirmation not yet checked.
Frozen Sasquatch
USACharleston, West Virginia
Winter trail races through Kanawha State Forest.
Date listed · latest organiser confirmation not yet checked.
Frozen: H3
USABethera, South Carolina
Winter trail races on the forest paths and dirt roads of the Jericho Horse Trail.
Date listed · latest organiser confirmation not yet checked.
Great Scorpion Trail Run
USAMeridian, Mississippi
Trail races on the singletrack and jeep trails of Bonita Lakes Park.
Date listed · latest organiser confirmation not yet checked.
No Hands Trail Run
USAAuburn, California
Trail races in the American River canyon near Auburn.
Date listed · latest organiser confirmation not yet checked.
River Ranch Resolution Run
USALiberty Hill, Texas
New Year trail races at River Ranch County Park, with distances for adults and children.
Date listed · latest organiser confirmation not yet checked.
San Tan Scramble
USAQueen Creek, Arizona
Desert trail races among the foothills of the San Tan and Goldmine mountains.
Date listed · latest organiser confirmation not yet checked.
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.
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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