Trail Running calendar near Biddeford 2026-2027

A weekly fall trail running and walking series at Great Glen Trails in Gorham, NH from Sep 3 to Oct 8, 2026. Choose from 5 km, 3 km or 1.5 km courses; dogs on leash are welcome and one-time entries are available on-site.

Test your endurance at Pineland Farms in Maine with this backyard ultra trail race. Run a 4.2 mile loop through pristine wooded trails and see how many laps you can complete in this last person standing format.

Experience a flat and non technical trail race at Cherry Hill Farm in Gorham Maine. Choose between 50k 25k or 10k distances consisting of multiple loops around the scenic farm property.

A community 5K run and walk in Nashua, NH on September 5, 2026 with free registration for veterans and children, a fee for participants 13 and older, event shirts, donation options and volunteer opportunities. Use #nashua5k for photos.

A trail running weekend around Mirror Lake in West Newfield, Maine, with laps of about 3.6 to 3.8 miles through forest roads and singletrack. The weekend includes a Saturday gravel ride, onsite camping, youth runs, and a post ride gathering..

Trail races at Bear Brook State Park near Allenstown, NH offer a GPX navigated half marathon and a variable ultramarathon between 50k and 100k, with minimal course markings and cup free aid stations.

Thunder Run is a 5K trail race with more than 20 obstacles through woods and hills in Candia, New Hampshire on September 12, 2026. Organized by Raymond Area Rotary, 100% of proceeds support local and selected international projects.

A September mountain trail event at Echo Lake State Park offering a technical 5-mile Little Beast and a rugged 13.1-mile Beast of the East with big climbs, granite ridge sections, and limited on-course support.

Big Brad Ultras at Bradbury Mountain State Park offers 25K and 50K options on a 15.5 mile single track loop. The course features technical terrain, multiple aid stations, drop bag access, and significant elevation gain.

A three day Scottish heritage festival at Loon Mountain Resort featuring live music, Highland dance, heavy athletics, sheep dog trials, seminars, Try It classes and a Vendor Village during early fall foliage.

An annual community trail event at Mount Agamenticus offering timed **1 Mile** and **5K** courses from the summit, with proceeds supporting conservation and education and a raffle for participants.

Experience a scenic run through wooded conservation trails finishing at the Hooksett Public Library. This community event features a 5K trail race and a half mile kids fun run to support local youth programs.

Pair up for a three hour endurance relay on a two mile loop of trails and fields. Alternate laps with your partner to accumulate the maximum distance possible in this team based challenge.

A community 5K in Hillsborough, NH on September 20, 2026, organized by the Hillsboro Fire Department. The off-road course may be uneven and strollers are not recommended; registration runs March 25 to September 19 with a $30 fee.

A traditional up and down mountain race in Waterville Valley, NH on September 20, 2026 covering about 7 miles with 3000 feet of ascent; youth entry is available and day of registration is offered.

A trail event in Arundel, Maine on September 26, 2026 featuring 5k, 10k and half marathon routes through the ACT and Eastern Trails. All entrants receive a medal and a t shirt, and there is a free kids bike race.

A looped trail ultra at Wolfe's Neck Farm in Freeport, ME, on a just over 5 mile dirt loop with stairs, bridges, and about 570 feet of gain per loop. Distances include 50 mile, 30 mile, and 10 mile options.

A 21k trail race on Pleasant Mountain in Bridgton, Maine on September 27, 2026. The route includes steep climbs, technical single track, one aid station, and a postrace gathering with food, beer for 21 plus, and live music.

A community trail and road event at Shedd Park in Lowell offering a 10K, 5K, and a 1 mile kids fun run with educational displays, children’s activities, and proceeds supporting local conservation and education.

A virtual 55K challenge linked to the Great Bay 5K in Stratham, New Hampshire. Complete 55 kilometers in one day or between October 1 and October 24, 2026; registration includes a shirt if ordered by October 1 and a bib with a beer or cider..