Explore by location
Ultramarathons in North America
Compare ultramarathons across North America and choose where to compete next. Compare 390 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 Viper 100, Blackbeard’s Revenge 100 Ultra and Chupacabra 50.
Narrow your search to United States, Canada and Mexico.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
478 listed events · 390 with upcoming dates
Upcoming ultramarathons
390 matching events, earliest date first. Entry availability is shown separately.
Viper 100
USACordova, Tennessee
Ultras on a mixed trail and paved loop through Shelby Farms Park.
Date listed · latest organiser confirmation not yet checked.
Blackbeard’s Revenge 100 Ultra
USACorolla, North Carolina
Outer Banks ultra races with separate 100-mile and 100-kilometre starts.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Chupacabra 50
USAQuanah, Texas
Trail ultras and a shorter race in Copper Breaks State Park.
Date listed · latest organiser confirmation not yet checked.
Cliffs of the Neuse
USASeven Springs, North Carolina
Trail races in Cliffs of the Neuse State Park.
Date listed · latest organiser confirmation not yet checked.
Crown King Scramble
USAMorristown, Arizona
Crown King Scramble — historical running results.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Grasslands Trail Run
USAAlvord, Texas
Trail races on the rolling woodland and grassland trails of the LBJ National Grasslands.
Date listed · latest organiser confirmation not yet checked.
Mount Mitchell Heartbreaker
USAOld Fort, North Carolina
Mountain ultras from Camp Grier through the Pisgah trails near Mount Mitchell.
Date listed · latest organiser confirmation not yet checked.
OPSF 50/50 Trail Race Challenge
USAPoland, Indiana
Rugged trail races through Owen-Putnam State Forest.
Date listed · latest organiser confirmation not yet checked.
Redwood (Spring) Trail Run
USAOakland, California
Trail races through Redwood Regional Park with redwood groves and ridge views.
Date listed · latest organiser confirmation not yet checked.
VALENCIA Trail Race
USAValencia, California
Hilly trail races on ridges and through canyons above the Santa Clarita Valley.
Date listed · latest organiser confirmation not yet checked.
Bluebonnet Trail Run
USAMarble Falls, Texas
Trail ultras and shorter races in the bluebonnet landscape near Marble Falls.
Date listed · latest organiser confirmation not yet checked.
Behind the Rocks Ultra
USAMoab, Utah
Trail races through slickrock, sandy washes and remote paths near the Behind the Rocks Wilderness Study Area.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Brazos Legend
USAWaco, Texas
Hilly trail races on the Cameron Park trails in Waco.
Date listed · latest organiser confirmation not yet checked.
Leatherwood Ultras
USAFerguson, North Carolina
Hilly trail ultras on private trails in the Leatherwood Mountains.
Date listed · latest organiser confirmation not yet checked.
Panther City Ultra
USAFort Worth, Texas
Trail ultras and shorter races through Marion Sansom Park.
Date listed · latest organiser confirmation not yet checked.
Sleeping Giant Trail Runs
USAHamden, Connecticut
Technical trail races with steep climbs in Sleeping Giant State Park.
Date listed · latest organiser confirmation not yet checked.
Potawatomi Trail Runs
USAPekin, Illinois
Trail races on a hilly ten-mile loop in McNaughton Park.
Date listed · latest organiser confirmation not yet checked.
Ancient Lakes Trail Run
USAQuincy, Washington
Trail races through desert lakes, waterfalls and the Columbia River Gorge.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Brazos Bend 50
USANeedville, Texas
Flat trail ultras and shorter races in Brazos Bend State Park.
Date listed · latest organiser confirmation not yet checked.
Camp Croft Ultras
USASpartanburg, South Carolina
Loop trail ultras and a shorter race in Croft State Park.
Date listed · latest organiser confirmation not yet checked.
Desert Peak Ultra
USAOracle, Arizona
Mountain and desert trail ultras near Oracle and Mount Lemmon.
Date listed · latest organiser confirmation not yet checked.
Desert RATS Trail Running Festival by UTMB
USAFruita, Colorado
Desert RATS Trail Running Festival by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
English's Ridge Rumble
USAFayetteville, New York
Trail races on a varied loop through Green Lakes State Park.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Gulf Coast Grind
USAFreeport, Texas
Beach races on the hard-packed sand at Surfside Beach.
Date listed · latest organiser confirmation not yet checked.
Ozark Foothills Endurance Runs
USAWildwood, Missouri
Trail races through the hills of Wildwood, with Friday night and Sunday options.
Date listed · latest organiser confirmation not yet checked.
Zion Ultras
USAApple Valley, Utah
Desert trail races around Apple Valley near Zion National Park.
Date listed · latest organiser confirmation not yet checked.
Run4Kids Ultra Running Party
USACorona, California
Timed and fixed-distance charity races supporting youth running.
Date listed · latest organiser confirmation not yet checked.
Leona Divide
USALake Hughes, California
Mountain trail ultras and a 30K starting in Lake Hughes.
Date listed · latest organiser confirmation not yet checked.
Lumberjack 100
USAPort Gamble, Washington
Loop trail ultras through the Port Gamble uplands.
Date listed · latest organiser confirmation not yet checked.
Rattler Trail Race
USAColorado Springs, Colorado
Trail races from Palmer Park in Colorado Springs.
· 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.
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