Trail Running calendar near Ridgefield 2025-2026

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..

The Tesla Hertz Run is an ultramarathon event held in Rocky Point, New York, featuring multiple race distances including 150 miles, 100 miles, 100K, 50 miles, 50K, and 10 miles, with both daytime and nighttime options. The course is a scenic 10.48-mile loop through the pine barrens of Long Island, o..

The Forbidden Forest 30 Hour Ultra Run is an epic endurance event held in Stratford, Connecticut, offering runners up to 30 hours to complete distances ranging from a marathon (26.2 miles) to 100 miles or more. The course features a challenging 2.23-mile loop with roots, rocky terrain, and a notable..

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 Paine to Pain Trail Half-Marathon is a distinctive trail race held in Westchester County, New York, starting at the historic Thomas Paine Cottage in New Rochelle and finishing at New Rochelle High School. This 13.1-mile single-loop course traverses the woods and trails of five different parks, o..

The Never Stop Running Foundation Great Pumpkin Dash Trail 5K is a scenic trail run/walk held at Blydenburgh County Park in Smithtown, NY. Scheduled for October 12, 2025, this event features a 5K course that winds through shaded trails combining dirt roads and hard-packed surfaces with some sandy sp..

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

The Mt. Tom Trail Race, held within Mt. Tom State Park in Massachusetts, offers runners a challenging experience amid stunning fall foliage.Participants can choose from a solo 25k race with 3,600 feet of elevation gain, a 2-person 25k relay, or a solo 10k, all on rugged single-track hiking trails. T..

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..

Run The Farm - Katonah is a scenic 5-mile trail race held at Muscoot Farm in Katonah/Somers, New York. Scheduled for October 19, 2025, the event features a main 5-mile race open to participants aged 6 to 108, along with two kids' races: one for ages 7-12 and another for children 6 and under. The rac..

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..

The Big Bear Squatchtoberfest is a challenging trail running event held at Harriman State Park in Tuxedo, New York. Organized by Sassquad Trail Running in partnership with the New York-New Jersey Trail Conference, it features a half marathon (13.1 miles) and a 10K race. The courses are technical wit..

The Hot Chili Challenge is a trail running event held in Andover, New Jersey, featuring an 8-mile trail run, a 5K run for adults, and a Kids Fun Run for ages 5-12. Participants in the adult races receive t-shirts, hobo bags, and finisher medals, while kids receive finisher medals. Awards and swag ar..

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 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..

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 Pocantico Hills Marathon, held in Sleepy Hollow, NY, offers both marathon and half marathon distances through Rockefeller State Park. The single-loop courses feature rolling hills with scenic views of the Hudson River and Palisades, passing fields, stone walls, bridges, lakes, streams, forests,..

The Raven Rocks 10k Trail Run is an annual challenging trail race held at Ward Pound Ridge Reservation in Cross River, NY. The course features rugged terrain with rocky climbs, ridgeline trails, hilly meadows, and ravines, ascending to the park's two highest points: Raven Rocks Overlook and the Fire..