Trail Running calendar near Great Barrington 2025-2026

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 IronHike Endurance Series at Mohawk Mountain Ski Area in Cornwall, CT, is a multi-day endurance event held over four days in October 2025. Participants can choose from various challenges ranging from 12 to 84 hours, covering distances from 15 miles to over 150 miles with significant elevation ga..

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..

The NipMuck Trail Marathon, held in Ashford, Connecticut, is a challenging 26.4-mile trail race along the scenic Nipmuck Trail. The course features diverse terrain including rocks, roots, mud, and wood bridges, offering a true test of trail running skills. Runners start at Perry Hill Road and naviga..

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..

Forbidden Forest 30 Hour Ultra Run takes place in Roosevelt Forest, Stratford, Connecticut, October 11-12, 2025. Runners choose a personal challenge on a 2.23-mile loop that weaves through roots, rocky terrain, and a standout hill dubbed "OMG." Competitors can tackle 26.2M, 50K, 50M, 100K, 100 Miles..

The Gemstone Sparkle Sprint 5k is a community-focused trail running event held at Gemstone Farm in Wilton, Connecticut. Scheduled for October 11, 2025, this scenic 5k trail run welcomes participants of all abilities, encouraging runners and casual walkers alike to dress in sparkly attire and enjoy t..

The Mohawk Mountain Race, held at Mohawk Mountain Ski Area in Cornwall, Connecticut, offers a challenging trail running experience with 5K, 10K, Half Marathon, and Marathon distances. The course features steep ascents and descents on ski mountain trails, including the Wildwood, Timber, Pine, Laurel,..

Mt. Tom Trail Race takes place in Mt. Tom State Park in Massachusetts, with parking at Bray Lake.The event offers multiple distances: a 25k solo, a 25k two-person relay, a 10k, and a 5k fun run/hike, all on rugged single-track trails within the park. The 25k course features about 3,600 feet of eleva..

The Tackle the Trail - Pomfret, CT will take place in Pomfret on Saturday 18 October 2025. You can run between 10 and 42 kilometers.

The Tom Centinaro Memorial "Dam" Race is a 3.5-mile trail run and walk held at Woodtick Recreation, 201 Nichols Road, Wolcott, Connecticut. The event takes place on the scenic and flat Mill Pond Trail, offering a pleasant course for participants. Hosted by the Wolcott Lions Club, the race benefits l..

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..

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 wide enough for comforta..

The Veeder Tree Farm 5K is a running event held in Earlton, New York, at 1235 High Hill Rd. Scheduled for October 19, 2025, the race offers multiple categories including a 5K, 5K Trail Run, and combinations thereof, with options for students as well. The course features a mix of trail and traditiona..

The Bimblers Bluff 50K is an off-road trail race held in southern Connecticut, starting at Guilford Lakes School in Guilford. The course traverses several interconnected woodland preserves, featuring rolling forest roads and single-track trails that can be extremely rocky, offering a challenging tes..

FALL Run The Farm is a 5-mile trail race held at Muscoot Farm in Katonah/Somers, New York. Taking place on October 19, 2025, the event also includes two kids’ races for ages 7–12 and 6 & under. The race showcases Muscoot Park’s rural beauty, with a course set on woodland trails. After finishing, par..

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, held at Red Wing Recreation Area in Lagrangeville, NY, offers challenging trail races including a 100K, 50K, and 10K. The 50K consists of five 10K loops with approximately 5,000 feet of elevation gain, while the 100K features ten 10K loops with about 1,000 feet..

The Moreau Half is a challenging 14-mile trail race held at Moreau Lake State Park in Gansevoort, NY. Set amidst scenic mountain singletrack, the course features approximately 2,700 feet of elevation gain, making it a demanding run suited for experienced trail runners. The race starts and finishes a..

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 that includes single track and farm trails, offering a scenic and community-focused atmosphere. Participants can cho..