Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4258 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A community event at Buffalo Park offering fixed-time ultras of 3, 6, and 12 hours plus a 5k Doggie Dash and a virtual 5k, with a free kids 1K and proceeds supporting High Country Humane Society.

Trail races in Dawsonville, GA offering 5K and 10K routes on forest roads and single-track, with course markings, a required wildlife area waiver, and a finisher shirt and poker chip.

Experience a downhill 3 km run through the scenic quartzite ridges of Seneca Rocks. This free gravel road event crosses the Potomac River as part of the Fourest Festival celebrations.

A 31.9 mile trail ultramarathon at Cowans Gap State Park on May 24, 2026, with about 5,800 feet of elevation gain and seven aid stations. Entry is limited to 75 runners and prior ultramarathon completion is required.

A Memorial Day Weekend inaugural *5k* trail run through Groton's General Field on May 24, 2026. The event supports Operation Delta Dog, which rescues and trains service dogs for veterans.

A Memorial Day trail event in New Castle, Colorado, honoring a fallen hero with riverfront routes. Options include 3.5 km and 7.7 km courses with both in person and virtual entries.

A 5K trail run and walk through the Norma Johnson Center trails near Dover, Ohio with parking and race-day registration at the adjoining Yellowbrick on 39. Awards and a door-prize drawing follow the event.

Experience an authentic trail run at Stoney Run County Park featuring a five mile course with an optional pond crossing. Celebrate Memorial Day with a traditional timed race and a post run gathering in Hebron.

Event Details The Memorial Day 10K Run & 2 Mile Walk takes place on Monday, May 25, 2026, in Lynchburg, Virginia. It is organized by the Community Access Network (CAN) and is the seventh race in the 2026 Lynchburg Road Runners Race Seri..

Powisset Farm Trail Run Spring on May 25, 2026 in Dover, MA offers 8.6, 5.6, 3.1 and 1.5 mile courses on a flat farm meadow and the rolling trails of Noanet Woodlands.

Experience the beauty of Kanawha State Forest during the Big Timber Trot trail races. Runners follow winding forest roads and steady climbs on a course starting and finishing at Shelter 6.

Honor fallen service members and first responders at this flat out and back one mile race in Greenville SC. Runners of all speeds are welcome to participate in this chip timed competitive event.

Experience a Memorial Day trail run through the limestone cliffs and wooded paths of Oakes Quarry Park. Choose between 5k, 10k, and 15k distances and earn a finisher medal on this scenic Ohio course.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

Experience a forested trail run through a scenic Seattle ravine with 4k, 8k, and 12k options. Enjoy groomed trails and a post race grill session featuring hot dogs and watermelon at Ravenna Park.

Join this weekly trail running series at the Catamount Outdoor Family Center featuring distances from 5k to 10k. There are special categories for children and water stations available on site for all runners.

The Johnnycake Jolt Series offers four weekly 10k trail runs in Patapsco Valley State Park. It's a grassroots, low-key event organized by park stewards, with a discount for park members.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

Experience a series of four mid-week trail races across Monroe County parks with distances ranging from 3.5 to 4.5 miles. Enjoy a low-key atmosphere featuring chip timing and a post-race hot dog cookout.

Opening Night of a three-part mid-week trail race series in Frick Park, presented by Dick's Sporting Goods. Runners can choose a 5K or 10K, with post-race pizza and beer vendors on Reynolds Street.

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