Trail Running calendar near Portland 2025-2026

The Spaulding Woods 50K is a challenging trail race held in Northfield, New Hampshire, featuring a technical 5.6-mile loop with rocks, roots, and footbridges. Runners complete six laps totaling approximately 34 miles with 4,400 feet of elevation gain, primarily on singletrack trails. The event suppo..

The Back Cove Backyard Ultra is a unique endurance running event held in Portland, Maine, on the scenic Back Cove Trail. Participants run a 4.167-mile loop every hour, testing their physical and mental stamina until only one runner remains. The course features a mostly flat, non-technical 3.5-mile g..

The Loon Mountain Race is a challenging mountain trail event held in Lincoln, New Hampshire, covering approximately 6.03 miles with a 3,066-foot elevation gain. The race ascends the slopes of Loon Mountain, featuring diverse terrain such as trails, grass ski slopes, and cat tracks. Notable for its s..

The Baldface Scramble is a challenging trail running event held in Chatham, New Hampshire, within the White Mountain National Forest. It offers two course options: a 14K single loop over the Baldfaces and a more demanding 29K race featuring two loops that include the Baldfaces and a summit of Mount..

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 Scribners Mill 5k, held in Harrison, Maine, offers a scenic trail running experience along the historic Crooked River. Starting and finishing at Scribner's Mill, a historic sawmill and homestead, the course features a "lollipop" loop through freshly cut trails lined with tall red pines and pictu..

The Jigger Johnson Ultras is a challenging trail running event held in Waterville Valley, New Hampshire, within the White Mountain National Forest. It features three race distances: a grueling 108-mile 100-mile ultra with 29,000 feet of elevation gain, a 58-mile 50-mile race ascending over 16,000 fe..

Greenbelt's Vineyard Hill Trail Run is an annual trail running event held in South Hamilton, Massachusetts, located on the scenic town line of Hamilton and Topsfield. The race offers 5K and 10K distances that challenge runners with a course featuring Vineyard Hill, sections of Bradley Palmer State P..

The Firebird Trail Races, held in Windham, Maine, offer challenging trail running events with distances of 13 miles, a marathon, and 50K. The courses feature a technical 10-mile loop through Lowell Preserve and North Falmouth Community Forest, with additional loops for longer distances, marked clear..

The Black Bear Trail Races, hosted by White Mountain Endurance in Waterville Valley, New Hampshire, offer a challenging and scenic trail running experience. The event features four distances: a demanding 50K with 7,700 feet of elevation gain over iconic 4,000-foot peaks, a 23K course on the oldest m..

The Last Man Standing Ultramarathon is a backyard ultra event held at Pineland Farms in New Gloucester, Maine. The race features a challenging 4.2-mile loop on wooded trails with moderate elevation gain. Participants must complete each loop within one hour to continue, with laps starting hourly unti..

The Five Fields Farm Races, held in Bridgton, Maine, feature two challenging trail events: a 50K ultra and a 10K race. The 50K is a three-lap figure-8 course through the Bald Pate and Holt Pond Preserves, including steep climbs, technical singletrack, and a finish through an apple orchard. Each lap..

The Cherry Hill Farm Ultra, held in Gorham, Maine, is a trail running event featuring 50K, 25K, and 10K distances. The main 50K race consists of 12 flat, non-technical loops of 2.6 miles each around Cherry Hill Farm, totaling 31.2 miles. A 25K option includes 6 loops.The course is designed to challe..

The Megunticook Trail Festival in Camden, Maine, offers three challenging trail races set in the scenic Camden Hills State Park, where mountains meet the sea. The events include a rugged 50K ultramarathon with over 7,600 feet of elevation gain, traversing 90% of the park's trails and summiting six p..

The Four in the Forest is a four-mile trail running event held in Oxford, Maine. The course takes runners through scenic forests and fields in western Maine, offering a natural and refreshing outdoor experience. The race starts and finishes on Bennett Lane in Oxford, providing a peaceful setting for..

The Happy Moose Half Marathon is a 13.1-mile trail race held in Oxford, Maine, featuring a scenic course through the fields and forests of western Maine. The race consists of three loops of the 4.1-mile Four in the Forest course, plus a separate 0.8-mile loop at the start. This event offers runners..

The Gunstock 5K and Canicross 5K take place at Gunstock Mountain Resort in Gilford, NH, as part of the 3rd annual Food Truck Festival. The event features a 5K trail run and a Canicross 5K where participants run with their dogs on a loop course of gravel roads and cross-country ski trails with rollin..

The Kismet Cliff Run, held annually in September in North Conway, New Hampshire, offers two challenging trail races set in the scenic White Mountains. Participants can choose the Little Beast 5 Miler, featuring technical single-track trails with steep ascents and descents around Echo Lake State Park..

The Mt. A Trail Challenge is an annual running event held at the summit of Mount Agamenticus in York, Maine. The 9th edition features two distances: a 5K and a 1 Mile course, suitable for running, hiking, rolling, or strolling.The race is timed manually by the local York High School Cross Country Te..

The Hooksett Kiwanis 5K Trail Race, held in Hooksett, New Hampshire, is a scenic trail run starting at Heads Pond trail and finishing at the Hooksett Public Library. The course features a hard-packed stone dust surface transitioning into a wooded conservation trail, offering a natural and enjoyable..