Trail ultramarathons in the United States
Find trail ultramarathons in the United States. Compare 330 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 Crazy Desert Trail Race, Geaux Wild Ultra and Lake Martin 50/50.
Narrow your search to Texas, California and Arizona, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
374 listed events · 330 with upcoming dates
Upcoming ultramarathons
330 matching events, earliest date first. Entry availability is shown separately.
Crazy Desert Trail Race
USASan Angelo, Texas
A weekend of desert trail races at San Angelo State Park.
Date listed · latest organiser confirmation not yet checked.
Geaux Wild Ultra
USADoyline, Louisiana
Ultras on a five-mile trail loop at Lake Bistineau State Park.
Date listed · latest organiser confirmation not yet checked.
Lake Martin 50/50
USAAlexander City, Alabama
Rolling trail ultras on the private Russell Lands beside Lake Martin.
Date listed · latest organiser confirmation not yet checked.
Naked Bavarian
USALeesport, Pennsylvania
Low-frills trail races around Blue Marsh Lake.
Date listed · latest organiser confirmation not yet checked.
Old Baldy Ultra
USAConcan, Texas
Rocky singletrack races climbing Old Baldy in Garner State Park.
Date listed · latest organiser confirmation not yet checked.
SARR Prickly Pear
USASan Antonio, Texas
Natural-surface trail races among rocks, roots and prickly pear in McAllister Park.
Date listed · latest organiser confirmation not yet checked.
Stump Jump
USAChattanooga, Tennessee
Trail races in the Chattanooga area.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Swamp Fox Ultra
USAMcClellanville, South Carolina
Trail ultras and a half marathon through Francis Marion National Forest.
Date listed · latest organiser confirmation not yet checked.
Sycamore Canyon Ultras
USAPoway, California
Looped trail ultras and a half marathon at Sycamore Canyon Preserve.
Date listed · latest organiser confirmation not yet checked.
Marin Ultra Challenge
USASausalito, California
Demanding coastal trail ultras through the Marin Headlands and Mount Tamalpais.
Date listed · latest organiser confirmation not yet checked.
Mesquite Canyon
USAWaddell, Arizona
Rugged desert trail races with steep climbs and rock scrambling on the longer courses.
Date listed · latest organiser confirmation not yet checked.
Three Creeks Torrent Trail Runs
USAColumbia, Missouri
Trail races through Three Creeks Conservation Area near Columbia.
Date listed · latest organiser confirmation not yet checked.
Thunder Kiss
USASterrett, Alabama
Trail ultras and a twenty-mile race on the ridges of Double Oak Park.
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.
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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