Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4179 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Trailfest on September 12, 2026 at Eastern Lake Trailhead in Watercolor features trail races of 5K, 10K and 10 Miler on color coded loops. A portion of proceeds supports Operation Outdoor Freedom for wounded veterans.

Trail races at Bear Brook State Park on September 12, 2026 featuring a Half Marathon and a variable ultramarathon between 50k and 100k, GPX only navigation and no cup aid stations.

S.O.S. in Jennings State Forest features a 9K and 3/6/12-hour timed events on a 2.75 mile loop, with ruck options and a cupless aid setup. The event supports local recovery and mental health nonprofits.

TUCARD is a flexible trail event in Orono, Maine with a start, an end, and waypoints racers visit in any order. Rules and waypoint locations are revealed over time and the event raises funds for the Orono Land Trust.

Perrysburg Township 5K is a community 3.1 mile run and walk at Cardinal Aggregates Quarry in Perrysburg, OH, on September 12, 2026. The program includes a kids race, race t-shirt, refreshments, and varied registration fee tiers.

A USATF sanctioned four person cross country relay at Bear Creek Pioneers Park in Houston. Teams of four run two mile legs for an eight mile total, with multiple age and club divisions, team batons with RFID timing, and awards for finishing..

A dog friendly community 5K at Campground Adventures in Hinsdale, NY, with 50 percent of proceeds benefiting the Cattaraugus County SPCA. Trails, local vendors, free parking, and refunds available up to seven days before the event.

A scenic 5K at Cacapon State Park supporting the Humane Society of Morgan County, with run, walk and virtual options, a new course, awards ceremony, and a post-race pup swim.

Low-key trail running event in Loma, Colorado offering Half Marathon, Marathon (26.2 Miles) and 50 Miler with a flat $50 entry fee. Registration runs April 5 to August 1, and participants may change distance on race day.

Wabash Trace Running Festival in Shenandoah, Iowa follows the crushed limestone Wabash Trace Nature Trail and offers marathon, half marathon, 10K, 5K, and a free kids mile. Races include well stocked aid stations and community support.

Community running event in Lehighton, PA with two 5K course options and a 1 mile walk. Preregistration by September 1 guarantees a T-shirt and swag bag, and chip timing plus an on-site photographer are provided.

Experience a fun focused five kilometer obstacle mud run designed exclusively for women at The Master's Motoplex. This non competitive event welcomes individuals and teams of all fitness levels for a day of climbing and sliding.

This obstacle course race at Indiana Dunes National Park offers three distances, including a K9 event. The course features diverse terrains inspired by military landscapes. It's open to participants aged 13 and up.

Trail race at Macedonia Brook State Park on 13 September 2026 featuring single-track forest trails, climbs, viewpoints and three distances: 50K, 25K and 12K.

Celebrate fitness and recovery at Mendon Ponds Park with a variety of road and trail races. Choose from five kilometer courses or a ten kilometer combination with options for added physical challenges.

A 5K and 10K trail race at Chewacla State Park in Auburn, Alabama on September 13, 2026, featuring wooded singletrack, aid stations, a race shirt, and overall awards; proceeds benefit Valley Rescue Mission.

A marathon and half marathon on September 13, 2026 at Hyak Snoqualmie Pass featuring a packed gravel course with about 1,000 feet of net downhill and a run through the Snoqualmie Tunnel; the marathon is a USATF certified Boston Qualifier.

Experience the 14th annual Konza 25K and 10K at the Konza Prairie Nature Trail in Manhattan, Kansas. This September event offers scenic distance running and fundraising opportunities within a beautiful prairie landscape.

Experience a scenic trail run through tall pines and aspens in Incline Village. Participants can choose between one or two laps on a course featuring creek crossings and a festive grass field finish.

A trail stage race on the Knobstone Trail in Borden, IN offering 5 Mile, Trail Half, 18 Mile Ultimate and a 50K that combines the half and 18 mile courses; rugged single track with aid stations and proceeds to SAM'S Foundation.

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