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 RunFluent Christmas Trail Run, Woodside Ramble and Dirty December Trail Run.
Narrow your search to California, Texas and Colorado, or browse the other locations below.
94 listed events · 89 with upcoming dates
Upcoming half marathons
89 matching events, earliest date first. Entry availability is shown separately.
RunFluent Christmas Trail Run
USALutz, Florida
Christmas trail races in Lutz, with a timed seven-hour race, half marathon and short trail option.
· Half marathon
Race details, entry and past editions →Entry information ↗Woodside Ramble
USAWoodside, California
Trail races through the redwood forest and hills of Huddart County Park.
· Half marathon
Race details, entry and past editions →Entry information ↗Dirty December Trail Run
USASan Diego, California
Holiday trail races at Sycamore Canyon, with three fixed distances and a timed hill-climb challenge.
· Half marathon
Race details, entry and past editions →Entry information ↗Jupiter Ridge Sand Spur
USAJupiter, Florida
Sand-dune trail races at Jupiter Ridge, including a 30K night race.
· Half marathon
Race details, entry and past editions →Entry information ↗Brazen New Year’s Day
USACastro Valley, California
New Year’s Day trail races around Lake Chabot in Castro Valley.
· Half marathon · Status TBC
Race details, entry and past editions →Canyon of the Eagles New Year’s Trail Challenge
USABurnet, Texas
Two days of New Year trail races on the limestone bluffs around Canyon of the Eagles.
· Half marathon
Race details, entry and past editions →Entry information ↗Florida Outlaw Ultra
USAOcklawaha, Florida
Looped trail races beside Lake Weir, formerly the Wekiwa Springs Ultra.
· Half marathon
Race details, entry and past editions →Entry information ↗Frozen Trash Panda
USAHuntsville, Alabama
Winter trail races at Monte Sano State Park, part of the Winter Wild Thangs series.
· Half marathon
Race details, entry and past editions →Entry information ↗Hacienda Hills Trail Run – Winter
USASan Jose, California
Winter trail races through the hills of Almaden Quicksilver County Park.
· Half marathon
Race details, entry and past editions →Entry information ↗Wild Azalea Trail Challenge
USAAlexandria, Louisiana
Trail races through the hills and pine forest of the Wild Azalea Trail.
· Half marathon
Race details, entry and past editions →Entry information ↗River Ranch Resolution Run
USALiberty Hill, Texas
New Year trail races at River Ranch County Park, with distances for adults and children.
· Half marathon
Race details, entry and past editions →Entry information ↗Snow Bull
USAWhitwell, Tennessee
A half marathon and timed winter trail races at Camp Chet.
· Half marathon
Race details, entry and past editions →Entry information ↗Whiskey Tango Foxtrot Trail Half Marathon & 5 Mile
USAGibsonville, North Carolina
Winter trail races at Northeast Park in Gibsonville.
· Half marathon · Status TBC
Race details, entry and past editions →Crystal Springs Winter Trail Run
USAWoodside, California
Winter trail races through Huddart Park and the coastal redwoods.
· Half marathon
Race details, entry and past editions →Entry information ↗Folsom Lake Sweetwater Trail Run
USAEl Dorado Hills, California
Trail races beside Folsom Lake, mainly on singletrack with some dirt road.
· Half marathon
Race details, entry and past editions →Entry information ↗Del Dios Trail Race
USAEscondido, California
Trail races around Lake Hodges, with singletrack and dirt service roads.
· Half marathon
Race details, entry and past editions →Entry information ↗Arches Ultra
USAMoab, Utah
Winter trail races beside Arches National Park on the Bar M, Klonzo and Klondike trail systems.
· Half marathon
Race details, entry and past editions →Entry information ↗AZT Oracle Rumble
USAOracle, Arizona
Trail races through Oracle State Park and along the Arizona National Scenic Trail.
· Half marathon
Race details, entry and past editions →Entry information ↗The Daydreamer
USAPatagonia, Arizona
Trail races through the hills around Patagonia and the Arizona Trail.
· Half marathon
Race details, entry and past editions →Entry information ↗Stories Trail Runs
USAColorado Springs, Colorado
A weekend of timed and fixed-distance winter trail races at Cheyenne Mountain State Park.
· Half marathon
Race details, entry and past editions →Entry information ↗Outlaw 100 Oklahoma
USAKinta, Oklahoma
Trail races over rocky climbs, creek crossings and jeep roads at Twin Mountains.
· Half marathon
Race details, entry and past editions →Entry information ↗Winter Trail Fest Eastside
USABrighton, Michigan
Winter trail half marathon and five-mile race at Island Lake Recreation Area.
· Half marathon · Status TBC
Race details, entry and past editions →Winter Trail Fest Westside
USAMiddleville, Michigan
A winter trail half marathon and five-mile race at Yankee Springs, with a river crossing.
· Half marathon · Status TBC
Race details, entry and past editions →Antelope Canyon Ultras
USAPage, Arizona
Desert trail ultras and a half marathon through the canyons near Page.
· Half marathon
Race details, entry and past editions →Entry information ↗Crazy Desert Trail Race
USASan Angelo, Texas
A weekend of desert trail races at San Angelo State Park.
· Half marathon
Race details, entry and past editions →Entry information ↗Swamp Fox Ultra
USAMcClellanville, South Carolina
Trail ultras and a half marathon through Francis Marion National Forest.
· Half marathon
Race details, entry and past editions →Entry information ↗Sycamore Canyon Ultras
USAPoway, California
Looped trail ultras and a half marathon at Sycamore Canyon Preserve.
· Half marathon
Race details, entry and past editions →Entry information ↗Trail Trashed
USAHenderson, Nevada
Shorter trail races on the McCullough Hills and 601 trail network.
· Half marathon
Race details, entry and past editions →Entry information ↗Mesquite Canyon
USAWaddell, Arizona
Rugged desert trail races with steep climbs and rock scrambling on the longer courses.
· Half marathon
Race details, entry and past editions →Entry information ↗Grasslands Trail Run
USAAlvord, Texas
Trail races on the rolling woodland and grassland trails of the LBJ National Grasslands.
· Half marathon
Race details, entry and past editions →Entry information ↗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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