Explore by location
50K events around the world
Build your racing calendar, close to home or further afield. Compare 363 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 Ponderosa Polar Challenge, Rio Del Lago Endurance Runs and Run the Rock.
Start with a continent, including North America, Europe and Asia, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
507 listed events · 363 with upcoming dates
Upcoming 50k events
363 matching events, earliest date first. Entry availability is shown separately.
Ponderosa Polar Challenge
USAOrderville, Utah
Trail distances and timed challenges on interchangeable loops at Zion Ponderosa Ranch Resort, near Zion National Park.
Date listed · latest organiser confirmation not yet checked.
Rio Del Lago Endurance Runs
USAGranite Bay, California
Trail ultras starting at Beals Point, following the lakes and foothills between Folsom and Auburn.
Date listed · latest organiser confirmation not yet checked.
Run the Rock
USATerrebonne, Oregon
Trail races around Smith Rock and Gray Butte, with the 50K and 25K on Saturday and the half marathon on Sunday.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Sanders’ Saunter Charity Race
USALawrence, Kansas
Charity trail races around Clinton Lake, with three distances and staggered starts from Overlook Park.
Date listed · latest organiser confirmation not yet checked.
Screaming Monkey
USAKeithville, Louisiana
Technical woodland races on the Monkey Trails surrounding a chimpanzee sanctuary, with shorter races and overnight ultras.
Date listed · latest organiser confirmation not yet checked.
tBunk Endurance Challenge
USALaGrange, Wisconsin
Multiple fixed-distance ultras on the Nordic Trail system in the Southern Kettle Moraine State Forest.
Date listed · latest organiser confirmation not yet checked.
The Crunchwrap Crawl
USAKennewick, Washington
A timed urban running challenge linking local Taco Bell restaurants, with mandatory food purchases and consumption as part of the race rules.
Date listed · latest organiser confirmation not yet checked.
Veterans Trail Festival
USAHookstown, Pennsylvania
A veterans charity running festival at Raccoon Creek State Park, formerly listed as Resilient Service Members Classic. The longer races use woodland…
Date listed · latest organiser confirmation not yet checked.
Wild Florida Trail Run
USAWhite Springs, Florida
Trail races along the Suwannee River, with all distances finishing at Stephen Foster Folk Culture Center State Park.
Date listed · latest organiser confirmation not yet checked.
“LAST RUNNERS STANDING” - Iedere 30 minuten een nieuwe uitdaging!
NEDLangenboom, Netherlands
“LAST RUNNERS STANDING” - Iedere 30 minuten een nieuwe uitdaging! in Langenboom, with every timed public running distance supported by its organiser or…
Date listed · latest organiser confirmation not yet checked.
Bold Coast Bash
USACutler, Maine
Technical coastal trail races over rocks, roots and bog bridges on a figure-eight course near the cliffs of Maine’s Bold Coast.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Grand Trail des Lacs & Châteaux Winter
BELOvifat, Liège
Grand Trail des Lacs & Châteaux Winter in Ovifat, with every verified timed public running distance published separately.
Date listed · latest organiser confirmation not yet checked.
Marysville Marathon Festival
AUSMarysville, Victoria
A two-day trail festival around Marysville, with junior, mountain and endurance routes through forest and river landscapes.
Date listed · latest organiser confirmation not yet checked.
Mustang Marathon (Hill Country Trivium)
USAMarble Falls, Texas
Formerly Hill Country Trivium, this road running festival follows hilly country roads from Mustang Stadium and includes a youth mile.
Date listed · latest organiser confirmation not yet checked.
Five Trails 50K & Three Trails Half Marathon
ENGGraffham, West Sussex
Five Trails 50K & Three Trails Half Marathon — 50K, Half at Graffham and the South Downs.
Date listed · latest organiser confirmation not yet checked.
Last Trail Standing
USAPittsburgh, Pennsylvania
Woodland trail races through Settlers Cabin Park, with the longer courses following repeated out-and-back loops.
Date listed · latest organiser confirmation not yet checked.
Lula Lake Trail Blazer
USALookout Mountain, Georgia
Trail races supporting conservation and trail maintenance across Lula Lake’s Lookout Mountain properties, with a separate children’s run.
Date listed · latest organiser confirmation not yet checked.
NYC Trail Mix
USAStaten Island, New York
Trail races through Staten Island’s Greenbelt, linking woodland parks and singletrack in support of the Greenbelt Conservancy.
Date listed · latest organiser confirmation not yet checked.
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.
Fat Ox Endurance Runs
USAGoodyear, Arizona
Timed endurance races and fixed-distance ultras on a short concrete loop around Estrella Mountain Regional Park’s turf picnic area.
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 (144) →