Trail Running calendar near Great Barrington 2025-2026

We have found 83 Trailruns within 80 miles of Great Barrington. See below where and when you can find the races.

The Cockaponsett Trails to a Cure is a running event taking place in Chester, Connecticut, featuring two trail races: a 4-mile and a 9-mile course through the scenic Cockaponsett State Forest. The course includes challenging terrain with roots, rocks, and hills, and is designed to accommodate runner..

The Angevine Farm Trail Festival, hosted by Steep Endurance, is a family-friendly running event taking place in Warren, CT. Celebrating its 7th year, the festival features a variety of races including a Half Marathon, an 8-hour endurance challenge, and a 5K, with options for participants to run alon..

The Cat's Tail Trail Marathon is a challenging 26-mile trail race set in the scenic Slide Mountain Wilderness Area of the Catskill Mountains, New York. Scheduled for September 27, 2025, this rugged marathon features nearly 7,000 feet of elevation gain, offering participants breathtaking views and te..

October 2025

The IronHike Endurance Series is a unique multi-day event taking place at Mohawk Mountain in Cornwall, CT, from October 2 to October 5, 2025. Participants can choose from various challenges, including individual and team formats, with distances ranging from 15 to over 152 miles, featuring significan..

The Flutters and Foliage Endurance Run is an annual fundraising event held in Cohoes, NY, organized by Flutters of Hope Inc., a nonprofit supporting individuals and families affected by eating disorders. This year marks its third edition, featuring various endurance challenges, including a 6-hour ru..

The NipMuck Trail Marathon is a challenging 26.4-mile race held on the scenic Nipmuck Trail in Ashford, Connecticut. Participants can choose between the full marathon or a relay option, where two runners share the distance. The course features a mix of terrain, including rocks, roots, and mud, makin..

The Forbidden Forest 30 Hour Ultra Run is an exciting endurance event set in Stratford, CT, where participants can run, power-hike, or walk for up to 30 hours. This ultra run offers various distance options, including 26.2M, 50K, 50M, 100K, and 100 miles, allowing runners to challenge themselves at..

The Mohawk Mountain Race, organized by Steep Endurance, takes place at the Mohawk Mountain Ski Area in Cornwall, CT. This unique event transforms the ski mountain into a challenging running course featuring 5K, 10K, Half Marathon, and Marathon options. Participants will navigate steep ascents and de..

The Mt. Tom Trail Race is an exciting running event set against the stunning backdrop of Mt. Tom, featuring challenging terrain and breathtaking views, particularly during peak foliage.Participants can choose from a solo 25k, a 2-person 25k relay, or a solo 10k. The race supports the Kestrel Land Tr..

Run The Farm is a trail running event scheduled for October 19, 2025, at Muscoot Farm in Katonah, NY. The event features a 5-mile race for adults and two kids' races: one for ages 7-12 and another for children aged 6 and under. Participants can enjoy the scenic beauty of the farm while promoting awa..

The Bimblers Bluff 50K is an off-road foot race held in southern Connecticut, starting at Guilford Lakes School. The course features rolling forest roads and rocky single tracks, providing a challenging experience for runners. Unlike many similar events, participants do not complete the same loop mu..

The Book It for Books 10K and 5K is a charity running event held at Lake Accotink in Springfield, VA. Participants can choose to run or walk, with the event supporting literacy programs and providing books to children in need. The race features a trail course around the lake, with the 5K on the sout..

November 2025

The Fall Back Into The Trails Series is an annual running event hosted by C.T.W Endurance, taking place at the Red Wing Recreation Area in Lagrangeville, NY. Scheduled for November 1-2, 2025, the series features three race options: a challenging 100k, a 50k, and a 10k, each with varying elevation ga..

The Moreau Half is an exciting 14-mile trail race set in the scenic Moreau Lake State Park, scheduled for November 1, 2025. This challenging event features a course that includes approximately 2,700 feet of elevation gain, making it suitable for experienced runners. Participants can expect a technic..

The Saratoga Stryders Fall Back 5 Mile Trail Race is an exciting running event set in the scenic Saratoga Spa State Park. Participants can enjoy a challenging course that features a mix of hills, ridges, and single-track trails, showcasing the park's natural beauty. The race encourages runners to em..

The "8 Hours at the Farm" is a trail running event organized by Steep Endurance, taking place at Gurski Farm/Williams Park in Brookfield, CT. This event features a scenic, approximately 4-mile loop course that includes single track and rolling farm trails, fostering a vibrant community atmosphere am..

The Raven Rocks 10k is an annual trail race held at the Ward Pound Ridge Reservation in Cross River, NY. Set against a scenic backdrop, the race features a challenging course that includes rocky climbs, ridgeline trails, and hilly meadows. The event not only promotes fitness and outdoor activity but..

The Tarrywile Half Marathon is a challenging trail race set in Tarrywile Park, Danbury, Connecticut. Known for its tough terrain, the course features significant elevation gain of nearly 3,000 feet and technical Northeast single track paths. Participants can choose from three distances: a Half Marat..

The Fall Fling 400 is an annual trail running event organized by the CT Trailmixers, featuring a unique 400-minute race where participants can complete as many loops as they wish on a two-mile course. Additionally, a 4-mile option is available, consisting of two laps of the same course. The event pr..

Rob's Trail Run Edition is a running event taking place at Stillwell Woods Preserve in Woodbury, NY. Scheduled for November 30, 2025, the event features two main races: a 5K Adult Trail Run and a 5K High School or Youth Trail Run, catering to participants of different age groups. This event not only..