Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3940 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A 12 hour night trail event at Kings Mountain State Park with a 4.5 mile loop through marked trails, lakeshore views, and a central aid station offering hydration each circuit.

Trail races at Tilden Regional Park in Berkeley offering 50K, 35K, half marathon and 10K with scenic bay views, aid stations every 5–7 miles, cupless stations, and awards for finishers and age groups.

Trail Sisters Women's Half Marathon and 10K in Buena Vista, Colorado, feature trail courses through sagebrush and ponderosa pines with views of the Collegiate Peaks, and offer both group and solo participation options.

Looped trail event at Oak Flats Group Picnic Area in Cibola National Forest offering short and long loops to create distances from 5k to 30k. The event is self supported and unmarked, with volunteer check in and an honor system for results.

Prairie On Fire Backyard Ultra in Noblesville is a repeating 4.167 mile loop event at White River Campground where runners complete each loop within an hour and continue until a single finisher remains.

A trail event in Sparta, Tennessee featuring a new 50 Miler plus 25K run and 25K ruck, routing through limestone gorges, waterfalls, and remote backcountry with Camp Latimer as the start and finish hub.

Trail ultramarathon near Cortland, NY on September 12, 2026 offering 100 mile, 100 mile relay, 50 mile and 50K options. The course features steep climbs, technical singletrack and major elevation gain; pacers are allowed for the 100 mile.

Trail races in Hocking Hills State Park on September 12 2026 feature five distances from 5K to 50K, mostly on trail through Old Man's Cave, Cedar Falls and Ash Cave, with GPX files and mapped distances provided.

A family-oriented mud run in Redding on September 12, 2026 featuring a course just under 5 km with obstacles, creek crossings, vendors, food, and children's activities. The event supports the Active 20-30 Club of Redding.

Coal Miner in Roslyn, WA is a self supported trail ultramarathon with a 51.3 mile course and over 10,000 feet of climb. Entrants must navigate from GPX files, carry a satellite messenger, and validate completion with GPS data and summit sel..

A community wellness event at Sprague Brook County Park on September 12, 2026 featuring a 5K trail run and a 2 mile non timed walk, with proceeds supporting the Bread of Life Outreach Center and keepsake blankets for early registrants.

A timed endurance event in Gig Harbor, WA on September 12, 2026 offering 24 hour, 12 hour day, 12 hour night and 6 hour options on a two mile loop with about 320 feet climb per lap.

A night run on the Lake Mineral Wells Trailway near Weatherford offering 5K, 10K, a half marathon and a 10K ruck. The trail is gravel, a headlamp and a water carrying system are required.

A night trail half-marathon at Green Swamp West Tract on September 12, 2026, with an aid station at the turnaround, no formal cut-off, awards for top finishers, participant finisher items, and a $25 post-race potluck.

A trail race at Sloppy Floyd State Park in Summerville, GA offering 5K, 10 mile, half marathon and a special 20 mile option for 2026 that includes climbs to Becky's Bluff and sections of the Pinhoti Trail.

City Challenge Race returns to Jersey City on September 12, 2026 with a fast 3-mile urban obstacle course featuring 20+ city-style obstacles, new finisher medals, professional chip timing, awards and free race photos.

Looped gravel trail event at Riverbend Park in Jupiter FL, offering 12-hour, 50K, and a fun 3.2-mile run along the Loxahatchee River. The event is self-supported and benefits the local Florida Trail Association chapter.

Trail trail races at Stevens Creek Reservoir in Cupertino on September 12, 2026 include a Half Marathon, 11K and a 2.5 mile Lollipop Loop. The USATF sanctioned event is hand timed, capped for the longer distances, and supports wildfire reli..

A trail race on Meadow Mountain in Minturn, Colorado offering an 11K and a 5K route across singletrack and meadows with stream crossings, scenic mountain views, on-course aid stations, and finish-line t-shirts and refreshments.

A backyard ultra style trail event in Marietta, GA, run on a 1.5 to 2 mile loop that can be repeated to reach distances such as 50K. The race is untimed and self supported, with limited facilities and shared aid among runners.

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