Trail Running calendar near Windsor 2025-2026

Winding Trails TRAIL RUNNING Series #4 is a five-race Tuesday-night trail series in Farmington, CT. Race #4 runs from Aug 26 to Sep 23, 2025, offering 5K or 10K options on a roughly 3-mile loop. Check-in and a rolling start take place at Winding Trails, 50 Winding Trails Drive.Registration is availa..

All of the Above Trail Fest is held at Northfield Mountain Recreation Area in Northfield, Massachusetts. A collaboration between Beast Coast Trail Running and The Venture Out Project, the festival centers on inclusivity for queer and transgender runners and their allies, celebrating people over boxe..

Rensselaerville Ramble Trail Run & Walk is a fundraising event held in Rensselaerville, New York. The Ramble starts and ends at the Huyck Preserve's Eldridge Research Center and guides participants through the Preserve's forested trails. Runners and walkers can choose from 2-mile, 5-mile, or 8-mile..

Angevine Farm Half Marathon takes place in Warren, CT, at Angevine Farm as part of the Angevine Farm Trail Festival. The course starts at the farm, loops on farm trails, enters Wyantenock State Forest and the Mattatuck Trail, delivering mostly technical but runnable single- and double-track terrain..

Winding Trails TRAIL RUNNING Series #5 is a Tuesday night event at Winding Trails in Farmington, Connecticut. The 2025 edition runs five races from August 26 through September 23, with a choice of 5K or 10K on an approximately 3-mile loop. Check-in and rolling start occur in the early evening at 50..

The Cat's Tail Trail Marathon is a challenging 26-mile point-to-point trail race held in the Slide Mountain Wilderness Area of the Catskill Mountains, New York. Featuring nearly 7,000 feet of elevation gain, the course offers rugged terrain with rocky, technical climbs and descents, alongside stunni..

The Tunxis Trail Ultramarathon, held in Burlington, Connecticut, features challenging and technical trail races on the Tunxis Trail system, part of the Blue Blazed hiking trails. The event offers shorter distances this year, including an 8K (5 miles) and a 5K (3.1 miles), with staggered start times...

The Vermont 50 Ultra Run is part of the Vermont 50 endurance weekend held at Ascutney Outdoors in West Windsor, Vermont. It includes a 50‑mile Ultra Run and a 50K Run, plus related relay options and other activities that showcase a challenging yet scenic Vermont landscape. Runners traverse the hills..

IronHike Endurance Series brings a mountain-style challenge to Mohawk Mountain Ski Area in Cornwall, Connecticut. The Fall 2025 edition runs across October 2–5 and offers six self-paced events ranging from 12 to 84 hours. Core distances include Olympus Mons Ultra (152+ miles, about 72,590 ft of elev..

The Flutters and Foliage Endurance Run, held in Cohoes, NY, is a unique ultra running event supporting Flutters of Hope, a nonprofit aiding individuals and families affected by eating disorders. Now in its third year, the race features multiple endurance challenges including 1-hour, 3-hour, and 6-ho..

Michael J. Pitney Farm Run takes place at Pitney Meadows Community Farm in Saratoga Springs, NY. The event features a 5K community run and a Youth Fun Run (.5 miles).The course is a mixed-surface, grass and stone-dust trail that is primarily flat with a few gentle rollers, and has no road crossings...

CT Donut Run is a 31.5-mile charity group run in Connecticut, presented as a long, donut-filled endurance experience rather than a traditional race. The route centers in West Hartford and visits several donut stops, including locations in Newington, Berlin, Wallingford, and North Haven, finishing in..

Iron Hike’s Fall Double Kuwohi Trail Marathon Plus Relay is a weekend endurance event set at Mohawk Mountain Ski Area in Cornwall, Connecticut. The race covers 28+ miles with 13,685 feet of elevation and is designed to be completed within a 24-hour window. Participants have the flexibility to run, h..

The Buck 50 is a challenging 50-kilometer ultramarathon held in Kattskill Bay, New York, along the scenic southern Adirondacks near Lake George. The course features rugged, remote trails that traverse four of Lake George's tallest peaks, including Buck Mountain, Sleeping Beauty, Black Mountain, and..

NipMuck Trail Marathon, in Ashford, CT, features two options: the original NipMuck Trail Marathon (26.4 miles) and a two-person NipMuck Relay. The race uses a 13-mile middle segment of the Nipmuck Trail, running south to Route 44, back to the start, then north to Boston Hollow before finishing at Pe..

Groton Town Forest Trail Races, held at 163 West Main Street, Groton, MA, offer two trail distances: 9.5 miles and 3.4 miles. The courses are well-marked and feature a scenic loop through Groton Town Forest with no road crossings, combining narrow dirt roads and single-track trails over roots, rocks..

The Norfolk Land Trust Trail Race Series, including the Haystack Mountain Challenge, is held annually in Norfolk, Connecticut. The 12th edition features three trail race distances: a challenging 5K through Barbour Woods with scenic climbs and wetlands; a 10K that adds a tough loop summiting Haystack..

Keene Family YMCA Fall Foliage Trail Races in Keene, New Hampshire offer 5K and 10K trail runs starting and finishing at the Keene YMCA (200 Summit Road). The 5K provides a fast, beginner-friendly taste of trail running, while the 10K adds more challenging rolling singletrack and elevation. Runners..

Midstate Massive Ultra Trail is a UTMB Index endurance race held October 11–12, 2025, spanning New Ipswich, NH, and central Massachusetts with border crossings into New Hampshire and Rhode Island. Runners choose from three point-to-point options—100 miles, 50 miles, and 50 kilometers—following the A..

Mohawk Mountain Race, at Mohawk Mountain Ski Area in Cornwall, CT, offers 5K, 10K, half marathon, and marathon distances. The course turns a ski mountain into a challenging trail race, with steep climbs and descents and views of fall foliage. The 5K loop climbs the left side via the Wildwood and Tim..