Trail half marathons in the United States
Find trail half marathons in the United States. Compare 89 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 Redwood (Spring) Trail Run, VALENCIA Trail Race and Bluebonnet Trail Run.
Narrow your search to California, Texas and Colorado, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
94 listed events · 89 with upcoming dates
Upcoming half marathons
89 matching events, earliest date first. Entry availability is shown separately.
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.
Picnic Island Ultra
USAJupiter, Florida
Timed races and a half marathon on trails through Riverbend and Loxahatchee River Battlefield parks.
Date listed · latest organiser confirmation not yet checked.
Deception Pass Trail Half & 10K
USAOak Harbor, Washington
Rainshadow Running trail races through Deception Pass State Park near Oak Harbor, Washington, with half marathon and 10K options.
· 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.
Zion Ultras
USAApple Valley, Utah
Desert trail races around Apple Valley near Zion National Park.
Date listed · latest organiser confirmation not yet checked.
Whiskey Basin Trail Runs
USAPrescott, Arizona
Trail races around Prescott and the Granite Dells.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Thelma and Louise Marathon and Half
USAMoab, Utah
A women-focused trail running event on dirt roads, slickrock and sandy washes near Moab.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Grizzly Peak Trail Run
USABerkeley, California
Trail races through the wooded hills of Tilden Regional Park.
Date listed · latest organiser confirmation not yet checked.
Valkyrie Trail Race
USAColorado Springs, Colorado
Women-focused trail races in Cheyenne Mountain State Park.
Date listed · latest organiser confirmation not yet checked.
Endure Trail Runs (Colorado)
USADivide, Colorado
Fixed-distance trail races on singletrack and doubletrack in Mueller State Park.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Cinderella Trail Run
USAOakland, California
Trail races through Joaquin Miller and Redwood Regional parks.
Date listed · latest organiser confirmation not yet checked.
Malibu Canyon Trail Races
USAMalibu, California
Trail ultras and shorter races in Point Mugu State Park.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Summer Trail Fest Ultra
USALaingsburg, Michigan
Summer trail races at Sleepy Hollow State Park, ranging from five miles to a 50-mile ultra.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Summits Trail Runs
USAGranby, Colorado
Mountain trail races at Granby Ranch Resort, with shorter races and ultra distances.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Two Hearted Trail Run
USAParadise, Michigan
Trail races through the Two Hearted River area, finishing at Tahquamenon Falls.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Texoma Challenge
USADenison, Texas
Evening trail races on the Waterloo Park trails in Denison.
Date listed · latest organiser confirmation not yet checked.
Devil's Gulch
USAWenatchee, Washington
Mountain trail ultras and a half marathon from Mission Ridge.
Date listed · latest organiser confirmation not yet checked.
Noche Trail Runs
USAJunction, Texas
Night trail races in the rocky hills of South Llano River State Park.
Date listed · latest organiser confirmation not yet checked.
San Lorenzo River Trail Run
USASanta Cruz, California
Trail races through redwood forests and across the San Lorenzo River.
Date listed · latest organiser confirmation not yet checked.
Waugoshance Trail Run
USAMackinaw City, Michigan
Trail races through coastal forests in Emmet County, finishing in Mackinaw City.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Mount Rainier Trail Events
USAWashington
Mountain trail races at Crystal Mountain Resort, including a half marathon, downhill 10K and uphill 5K.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Austin Solstice Circuit
USASpicewood, Texas
Evening, overnight and morning loop races at Pace Bend Park.
Date listed · latest organiser confirmation not yet checked.
Grand Island Trail Runs
USAMunising, Michigan
Trail races around Grand Island on Lake Superior.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Badger Trail Races by Ten Junk Miles Racing
USABelleville, Wisconsin
Rail-trail races on the Badger State and Jane Addams trails.
Date listed · latest organiser confirmation not yet checked.
Sheep Mountain Trail Runs
USAFairplay, Colorado
Mountain trail races and a half marathon based at Fairplay Beach.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Redwood Summer Trail Run
USAOakland, California
Trail races through Redwood Regional Park with a short children’s dash.
Date listed · latest organiser confirmation not yet checked.
Snow Mountain Ranch Trail Running Festival
USAGranby, Colorado
Trail races on Nordic tracks at Snow Mountain Ranch.
· 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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