Trail Running Calendar United States 2026-2027

A 100K point to point through Atlanta, starting at Kennesaw Mountain and finishing at Stone Mountain. The urban route passes landmarks, mixes sidewalks, bike paths and short single-track, and includes aid stations plus GPX tracks and turn s..

Trail trail races at Caesar Creek State Park Campground in Waynesville on April 25, 2026 include a half marathon, 10K, 5K, 20K relay, and a 6-hour event; participants receive bibs, nutrition supplies, medals, and certified timing.

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

A community fundraising run at Las Cruces Dam Open Space on April 25, 2026 featuring a 5K and 1-mile fun run, with finisher medals and proceeds supporting Centennial FFA scholarships and activities.

Trail races on April 25, 2026 at Marshall Gold Discovery State Historic Park in Coloma, CA. Distances range from a kids run to a half marathon on singletrack and some paved sections, with aid stations and a 4.5 hour time limit.

Trail races at Mt. Airy Forest in Cincinnati on April 25, 2026 offering 5K, 10K, a half marathon and a 30K ITRA UTMB index race. Off road trails, themed medals for all finishers, and a five hour course time limit.

A 5K and 10K walk and run at Hualapai Mountain Park on April 25, 2026, featuring mixed surfaces and 530 plus feet of elevation gain. Proceeds fund tree and native brush restoration after the 2021 Flag Mine fire.

A community 5K run and walk in Cedar Hill supporting autism acceptance and raising funds for Involve-MENT in Motion Inc. Registration includes entry and an official event t shirt, with vendors offering treats and resources.

A 15K trail race at Grafton Lakes State Park covering about 9.3 miles with 900 ft of elevation gain. The technical yet runnable spring course can be muddy and is described as accessible for new trail runners.

The Run the Rock | Leesburg will take place in Ashburn on Saturday 25 April 2026. You can run 5 kilometers.

Trail running in the Sierra Nevada foothills on April 25, 2026, with 10K, 15K and 30K options over rocky single track and fire roads. The finish area includes food, drinks and race swag.

A two-race event at Birchwood Lake in Mountain Lakes, New Jersey on April 25, 2026 featuring a scenic mostly flat loop through woods and around lakes. Events are open to men and women age 30 and over.

Community Earth Day in Sandpoint with a 5 mile run/walk and an 8K run/walk along the Ponderay Bay Trail. Vendor stalls take place at City Beach Park and proceeds support local parks and wildlife conservation.

A three-race 5K series at White Barn Farm in Wrentham, MA, held across spring, summer and fall. Each trail event reflects seasonal conditions and a Grand Prix combines results for awards and a gift bag at the final race.

A community event in Lacey on April 25, 2026 with 10K, 5K, and a family 1 mile, including USATF certified 5K and 10K courses. Walkers, wheelchair users, and trained service animals are welcome and proceeds benefit a low vision resource cent..

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.

An annual 5K at Marymount University on April 25, 2026, run on the Bluemont and Custis Trails with a post-race gathering, a virtual option, chip timing, and guaranteed shirts for early registrants.

A community race day in Elizabethtown, NY featuring a 13.1 mile half marathon, a new 5K trail race, and a kids 5K for ages 10 and under. Proceeds benefit Elizabethtown Community Hospital and local health programs.

A USATF-sanctioned ultramarathon around scenic Lake Waramaug in Kent, Connecticut on April 26, 2026, offering 100K, 50 mile and 50K options on paved, rolling loops with four aid stations and finisher awards.

Leatherman's Loop is a 10k trail race at Ward Pound Ridge Reservation in Cross River, NY on April 26, 2026. Entry is by lottery and the race is USATF sanctioned; registration includes the park entry fee.