Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4138 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A memorial marathon in San Diego on May 3, 2026. The event is not a race and offers no official support; participants navigate and support themselves and may register to record a result.

Point-to-point trail races of 50K and 25K through F.D. Roosevelt State Park from the Warm Springs radio tower to Liberty Bell Pool, with aid stations, optional bus transport, event swag, awards, and a finish-line picnic.

Trail 50K and Half Marathon in Sisters Oregon on May 3, 2026, both start and finish at Village Green Park. The event features post-race food and beer, finisher medals, and aid stations staffed by the beneficiary team.

A technical trail half and full marathon at University Settlement Camp in Beacon, NY on May 3, 2026, featuring steep, exposed climbs and substantial elevation gain with official aid stations and strict cut-off times.

A community run and walk in Easton, PA on May 3, 2026, featuring a USATF-certified 5K, a 2 mile walk and a kids fun run; proceeds benefit Friends of Historic Easton Cemetery and the event emphasizes sustainability, awards, and local refresh..

Experience the natural beauty of Mendon Ponds Park with a choice of 13 mile and 5 mile trail races. Enjoy a festive atmosphere featuring a post race BBQ feast at Stewart Lodge.

A 150 hour timed ultra near Mack, Colorado with five zero pavement routes per Journey and separate crewed and uncrewed divisions. Runners must complete at least four Journeys to place.

A technical out and back 50K on New Haven blue trails with about 6,350 feet of climbing, strict time cutoffs, no crews or pacers, and multiple aid stations including water only stops.

Experience a trail run or walk through the campus of The Hartsbrook School in Hadley. Choose between a 5k or a 1 mile race on natural terrain while supporting local land stewardship and agricultural education programs.

Trail races at Addison Oaks County Park on May 3, 2026 offer three distances: a 30K (two loops), a 15K (one loop) and a 4 Mile course inside the park. The event includes aid stations, awards and finisher items.

An 8K run and walk on 05/03/2026 at Lakeside Park in Piedmont, SC, on a roughly five mile loop of soft natural trails with single track sections. Overall and age group awards are presented to top finishers.

A two-race trail event in Lyme CT on May 3 2026 with a 9.2 mile Moore Trail loop and a 3 mile Sprint, both chip timed. All proceeds support the Lyme Fire Department and the Lyme Ambulance Association.

A trail run through the forested trails of Pacific Union College offering 26k, 10k, and a 1 Mile Kids Run for ages 7 to 12. The event is cupless, parking is free first come first served, and proceeds support PUC Athletics.

Run a flat, out-and-back course on the historic Great Western Trail. Choose from a half-marathon or 10K distance. Your registration supports local mental health charities.

A multi-format running event on May 3, 2026 in Sugarland featuring 5K, 10K, 10K relay, kids dash and virtual races, with participant shirts, medals, bibs, awards and on-site activities.

Trail races of 10K, 20K, and 30K on a looped course at Frances A. Crane Wildlife Management Area near East Falmouth on May 3, 2026. Organized by the Falmouth Running Club, the event supports local conservation funds and inclusivity programs..

Trail half marathon and an about 11K course at Fountainhead Regional Park near Washington DC, featuring rocky, rooty singletrack, stream crossings, notable elevation, and multiple aid stations with water and Gatorade.

Trail races at Wildlife Prairie Park in Hanna City, Illinois offering 5 km and 10 km options with included park admission, age group and overall awards, water stations, post race snacks, and volunteer opportunities.

Trail races at Millican Reserve in College Station on May 3, 2026 offer distances from a half marathon to a kids run, run on single-track mountain bike trails and support the Lone Star Running Project.

A 10K trail run and hike on May 3, 2026, covering 6.2 miles with 1,686 feet of elevation gain. The Brand Park course climbs to 2,536 feet and offers wide views of the Los Angeles Basin and the San Gabriel Mountains.

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