Ultramarathons in the United States
Find ultramarathons in the United States. Compare 387 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 Pemberton Trail Races, Rise Alamo City Trail Ultra and Running the Rose.
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.
469 listed events · 387 with upcoming dates
Upcoming ultramarathons
387 matching events, earliest date first. Entry availability is shown separately.
Pemberton Trail Races
USAFountain Hills, Arizona
Desert trail races on the Pemberton Trail.
Date listed · latest organiser confirmation not yet checked.
Rise Alamo City Trail Ultra
USASan Antonio, Texas
Trail races through Eisenhower Park in San Antonio.
Date listed · latest organiser confirmation not yet checked.
Running the Rose
USATyler, Texas
Trail races through the pine woods of Tyler State Park.
Date listed · latest organiser confirmation not yet checked.
Snowbird Challenge
USAGreenville, South Carolina
Paved-loop races with a new lap starting every 45 minutes at Riverwest Preserve.
Date listed · latest organiser confirmation not yet checked.
Southern Freeze
USAColumbus, Georgia
Winter paved-path races along the Chattahoochee RiverWalk.
Date listed · latest organiser confirmation not yet checked.
Del Dios Trail Race
USAEscondido, California
Trail races around Lake Hodges, with singletrack and dirt service roads.
Date listed · latest organiser confirmation not yet checked.
Rocks and Roots Winter Series
USALewis Center, Ohio
Winter trail races on the Rocks and Roots Trail at Alum Creek State Park.
Date listed · latest organiser confirmation not yet checked.
Arrowhead 135
USAInternational Falls, Minnesota
A winter endurance race from International Falls to Tower along the Arrowhead State Trail.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Arches Ultra
USAMoab, Utah
Winter trail races beside Arches National Park on the Bar M, Klonzo and Klondike trail systems.
Date listed · latest organiser confirmation not yet checked.
AZT Oracle Rumble
USAOracle, Arizona
Trail races through Oracle State Park and along the Arizona National Scenic Trail.
Date listed · latest organiser confirmation not yet checked.
Coo-Wah-Chobee
USAVenice, Florida
Trail races through Carlton Reserve on singletrack and wider paths.
Date listed · latest organiser confirmation not yet checked.
Forgotten Florida
USAChristmas, Florida
Point-to-point ultras and shorter trail races through Florida’s forest preserves.
Date listed · latest organiser confirmation not yet checked.
Go Short, Go Long, Go Very Long
USATulsa, Oklahoma
Road and paved-path races along Tulsa’s Riverparks trails.
Date listed · latest organiser confirmation not yet checked.
Live Oak Ultra
USABiloxi, Mississippi
An urban ultra and half marathon through Biloxi and Ocean Springs.
Date listed · latest organiser confirmation not yet checked.
The Bootleg Boogie
USABoulder City, Nevada
Looped trail ultras through Bootleg Canyon.
Date listed · latest organiser confirmation not yet checked.
This Ain’t Your Mothers 50K & Trail Marathon
USAMiddleburg, Florida
Trail races on the Pioneer Trail through Jennings State Forest.
Date listed · latest organiser confirmation not yet checked.
BURT 100
USABainbridge Island, Washington
Looped trail ultras supporting the Bainbridge Island Parks & Trails Foundation.
Date listed · latest organiser confirmation not yet checked.
Elephant Mountain Trail Runs
USACave Creek, Arizona
Desert trail races around Cave Creek, Spur Cross and Elephant Mountain.
Date listed · latest organiser confirmation not yet checked.
Fort Ord Trail Run
USASalinas, California
Trail races through Fort Ord National Monument across two days.
Date listed · latest organiser confirmation not yet checked.
Jed Smith Ultra Classic
USASacramento, California
Looped races along the American River Parkway with paved and unpaved sections.
Date listed · latest organiser confirmation not yet checked.
Millstone Trail Races
USAFort Mill, South Carolina
Technical trail races at Anne Springs Close Greenway, formerly the Mill Stone 50 K.
Date listed · latest organiser confirmation not yet checked.
Monterey Ultra
USAMonterey, California
A 50-mile trail race through Fort Ord National Monument.
Date listed · latest organiser confirmation not yet checked.
North Texas Ultra
USAJacksboro, Texas
Trail ultras and shorter races on the fine-gravel Lost Creek Reservoir State Trailway.
Date listed · latest organiser confirmation not yet checked.
Stone Mountain Massacre
USARoaring Gap, North Carolina
Hilly trail races across Stone Mountain State Park.
Date listed · latest organiser confirmation not yet checked.
The Daydreamer
USAPatagonia, Arizona
Trail races through the hills around Patagonia and the Arizona Trail.
Date listed · latest organiser confirmation not yet checked.
Outlaw 100 Oklahoma
USAKinta, Oklahoma
Trail races over rocky climbs, creek crossings and jeep roads at Twin Mountains.
Date listed · latest organiser confirmation not yet checked.
Black Canyon Ultras — 100K
USASpring Valley, Arizona
Historical results collected from the UTMB Index.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Iron Heart Ultra
USASt. James, Missouri
Trail ultras and shorter races at Maramec Spring Park.
Date listed · latest organiser confirmation not yet checked.
La Jornada de las Quebradas
USASocorro, New Mexico
A trail ultra through the Quebradas backcountry near Socorro.
Date listed · latest organiser confirmation not yet checked.
Black Canyon Ultras — 50K
USASpring Valley, Arizona
Historical results collected from the UTMB Index.
· 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.
View full race archive (82) →