Trail Running calendar near Harrison 2025-2026

We have found 47 Trailruns within 80 miles of Harrison. See below where and when you can find the races.

The Baldface Scramble is a challenging trail running event held in the White Mountain National Forest in Chatham, New Hampshire. Participants can choose between a 14K or a 29K course, both featuring steep ledges, panoramic views, and technical single-track trails over the Baldfaces. The longer cours..

The Kingman Farm Trail Race is a welcoming and challenging running event designed for participants of all skill levels. Spanning approximately 3.6 miles, the course features Nordic-style paths and switchback singletrack, making it an exciting experience for runners. This event is organized by acidot..

The Scribner's Mill 5k is an exciting trail running event set in the scenic Crooked River Forest in Harrison, Maine. This race offers participants a chance to explore beautiful trails lined with tall red pines and stunning river views, starting and finishing at the historic Scribner's Mill. The cour..

August 2025

The Ragged 75 Stage Race and 50K is an exciting running event taking place from August 1 to 3, 2025, in Danbury, NH. The stage race covers a challenging 75 miles with approximately 15,500 feet of elevation gain, featuring technical trails, steep climbs, and diverse terrains. Participants can also op..

The Jigger Johnson Ultras will take place in Waterville Valley from Friday 15 August 2025 to Sunday 17 August 2025. You can run between 20 and 100 miles.

The Firebird Trail Races is an exciting trail running event held in Falmouth, Maine, featuring three challenging distances: 13 miles, a marathon, and 50K. This grassroots event emphasizes community spirit, requiring participants to donate to a non-profit of their choice in addition to a low registra..

The Black Bear Trail Races will take place in Waterville Valley from Saturday 30 August 2025 to Sunday 31 August 2025.

The Last Man Standing Ultramarathon is a unique backyard ultra race set in the scenic trails of Pineland Farms, New Gloucester, Maine. Participants tackle a 4.2-mile loop with moderate elevation gain, aiming to complete as many laps as possible within an hour each. The event continues until only one..

The Five Fields Farm Races, taking place in Bridgton, ME, features two challenging events: a 50K ultra marathon and a 10K trail run. The 50K is designed for both seasoned runners and newcomers to ultra distances, while the Bald Pate 10K offers a rugged course with steep climbs and technical terrain,..

September 2025

The Fall Trail Running will take place in Gorham from Monday 1 September 2025 to Friday 10 October 2025.

The Cherry Hill Farm Ultra is an exciting trail running event taking place in Gorham, Maine, featuring a 50K and a 25K race option. The 50K race consists of 12 loops, each measuring 2.6 miles, designed to challenge both novice and experienced runners. The course is flat and non-technical, making it..

The Mt. A Trail Challenge is an annual running event taking place at Mount Agamenticus in York, Maine. Scheduled for September 20, 2025, the event features two courses: a 5K and a 1-mile challenge, allowing participants to run, hike, or stroll.The race is timed traditionally with stopwatches, and wh..

The 2025 ACT Trail Fest, organized by the Arundel Conservation Trust, invites participants to run or walk through scenic trails in Arundel, Maine. Scheduled for September 20, 2025, the event features a 5k, 10k, and half marathon, all set on the beautifully maintained ACT Multi-Purpose Trail and East..

The Bear Brook Trail Races, set in the scenic Bear Brook State Park in Allenstown, NH, offers participants a choice of three challenging races: a 10K, Half Marathon, and Marathon. The event showcases beautiful trails, including single tracks and steep hills, with a focus on minimizing litter by requ..

The Kilkenny Ridge Race, organized by Aravaipa Running, features challenging trail races of 50 miles, 25 miles, and 25K in the scenic White Mountain National Forest of New Hampshire. The course follows the Kilkenny Ridge Trail, offering approximately 7,500 feet of elevation gain and traversing remot..

The Royal (multi) Mile Hill Run is a challenging 5K race held during the NH Highland Games & Festival in Lincoln, New Hampshire. Scheduled for September 21, 2025, the event features a course with an elevation gain of 800 feet, traversing dirt trails, service roads, and ski trails. Participants recei..

The Farm to Farm Ultra is an exciting running event scheduled for September 28, 2025, in Freeport, Maine. Participants can choose from various distances, including a 50 Miler, 50K, and 25K, with options for relays. The course features beautiful fall foliage, mostly rolling hills on paved roads, and..

The Pleasant Mountain Race is an annual running event held in Bridgton, Maine, featuring a challenging 21k course that showcases the stunning fall foliage and technical single-track trails of Pleasant Mountain. Participants will face significant elevation gains, including a steep climb up Bald Peak,..

October 2025

The Bobcat Ridge 25k is a trail race set in the scenic Edwin L. Smith Preserve in Kennebunkport, Maine. This 25k event aims to promote outdoor activity while benefiting the Kennebunkport Conservation Trust.Registration is limited to 100 participants, with a deadline for shirt-included registration o..

Bubba's Backyard Ultra is an exciting running event held in Center Conway, NH, featuring the Last Person Standing format. Participants tackle a challenging 3.5-mile loop course that includes forest trails, snowmobile paths, fields, and logging roads, with an elevation gain of approximately 250 feet..