Trail Running calendar near Great Barrington 2025-2026

The Castle to River Run in Garrison, NY, is a scenic running event held in the historic Hudson Valley, featuring a half marathon and a 5K race, along with a kids fun run. The half marathon course winds through Hudson Highlands State Park, passing the historic Osborn Castle and offering a mix of sing..

Run The Farm in Katonah, NY, is a scenic 5-mile trail race held at Muscoot Farm, designed to showcase the park's natural beauty and promote local farmers' markets. Scheduled for October 19, 2025, the event features a main 5-mile race open to ages 6 to 108, along with two kids' races: one for ages 7-..

The Bimblers Bluff 50K is an off-road trail race held in southern Connecticut, starting at Guilford Lakes School. The course traverses several interconnected woodland preserves, featuring rolling forest roads and single-track trails that can be extremely rocky. Unlike many ultras, the route does not..

The Malta Trail Race in Malta, NY, hosted by the Roundabout Runners Club, offers 2k, 3k, and 5k trail running events set in the scenic 100 Acre Woods. The course starts at the Luther Forest Athletic Fields and features well-maintained trails, mostly covered in stone dust and about six feet wide, wit..

The Book It for Books 10k is a charitable running event held at Lake Accotink Park in Springfield, Virginia. The race features a 10k course that combines mostly trail running with some paved sections, including out-and-back routes on both the north and south sides of the lake. It benefits Reading is..

The Fall Back Into The Trails Series is an annual trail running event held at Red Wing Recreation Area in Lagrangeville, NY. The 2025 edition features three race distances: a challenging 100K (10 loops of 10K each with about 1000ft elevation gain per lap), a 50K (5 loops of 10K with approximately 50..

The Moreau Half is a challenging 14-mile trail race held at Moreau Lake State Park in Gansevoort, NY. Taking place on November 1, 2025, the course features approximately 2,700 feet of elevation gain over technical, winding singletrack trails, making it a demanding event suited for experienced trail..

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..

8 Hours at the Farm is a trail running event held at Gurski Farm/Williams Park in Brookfield, Connecticut. The race features a rolling country course with an approximately 4-mile loop combining single track and farm trails, offering a scenic and community-focused atmosphere. Participants can choose..

The Raven Rocks 10k Run is an annual trail race held at Ward Pound Ridge Reservation in Cross River, NY. Known for its challenging course, the race features rocky climbs, ridgeline trails, hilly meadows, ravines, and the historic fire tower site, offering scenic views of Long Island Sound, Connectic..

The Tarrywile Half Marathon, held at Tarrywile Park in Danbury, Connecticut, is known as one of the toughest trail half marathons in the region. The challenging course features nearly 3,000 feet of elevation gain and technical Northeast single-track terrain. Runners enjoy stunning views of Danbury a..

The Fall Fling 400 is an annual trail running event hosted by the CT Trailmixers at YMCA Camp Sloper in Southington, Connecticut. It features two main races: a 400-minute timed event where participants run as many loops as possible on a roughly two-mile trail course, and a 4-mile race consisting of..

The Roxbury Thanksgiving Day Charity Race is a 5K event held annually in Roxbury, Connecticut. Scheduled for Thanksgiving Day, November 27, 2025, the race takes place at the Everett B. Hurlburt Community Park located at 18 Apple Lane.Participants run a 3.1-mile course through the scenic park setting..

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..

The Tower Tag Challenge is a trail running event held at Sleeping Giant State Park in Hamden, Connecticut, known for its scenic views and historic Observation Tower. Participants run repeated loops on the Tower Trail, a smooth carriage road ascending over 600 feet in 1.5 miles to the tower, then ret..

The Frosty Forest 5K is a trail running event held in Roosevelt Forest, Stratford, Connecticut. This 5K race offers participants a chance to escape the road and enjoy a scenic course through nature. Runners, joggers, hikers, and walkers are welcome, with a recommendation for some trail experience.Pa..

The Sleeping Giant Trail Runs, held at Sleeping Giant State Park in Hamden, Connecticut, is a challenging trail running event known as one of the toughest in the Northeast. The race offers two distances: a 25K loop with over 3,000 feet of vertical gain and a 50K option consisting of two loops. The c..

Big Bear Squatch North is a challenging trail running event held at Harriman State Park in Bear Mountain, New York. Featuring a half marathon and 10K races, including new rucking divisions with lightweight (15 lbs) and heavyweight (30 lbs) packs, the course offers rugged, technical trails with steep..

Squatchywaska Mountainfest is a challenging trail running event held in Ellenville, New York, featuring two race distances: a 25K and a 10-mile course. Set in the stunning Shawangunk Ridge, runners navigate rugged mountain singletracks, cliffs, and glacially polished ledges through pitch pines, huck..

Leatherman's Loop is a renowned 10k trail race held annually each spring at the Ward Pound Ridge Reservation in Cross River, New York. Established in 1987, it is considered the largest trail race on the East Coast of the United States. The event features a challenging and scenic course through the r..