Trail Running calendar near East Islip 2025-2026

Run for the Hills is an annual 5K trail run and walk held at the Oswegatchie Hills Nature Preserve in Niantic, Connecticut. The event offers participants a scenic course around Clark Pond and along the preserve's perimeter, showcasing over 450 acres of coastal forest. Designed as a fundraiser, proce..

The Storybook Half Marathon is a friendly trail running event held in Roosevelt Forest, Stratford, Connecticut. The course consists of 1.64-mile loops repeated eight times, totaling the half marathon distance of 13.1 miles. Runners, joggers, hikers, and walkers are all welcome, with a four-hour time..

The Wild Goose Trail Festival is a multi-day trail running event held at Wawayanda State Park in Hewitt, New Jersey. Taking place September 20-21, 2025, it offers a variety of race distances including a 1-mile kids run, 10K, half marathon, 50K, 50-mile, 100K, 100-mile, and a 36-hour timed event. The..

The Angevine Farm Trail Festival, held annually in Warren, Connecticut, offers a scenic and challenging trail running experience in the Northwest corner of the state. The event features multiple distances including a half marathon, a new 8-hour race on a 1.25-mile farm loop, and 5K races including a..

The Cockaponsett Trails to a Cure is a trail running event held in Chester, Connecticut, within the Cockaponsett State Forest. Participants can choose between a 4-mile or a 9-mile race, with the shorter distance comprising the first part of the longer course. The trail features natural terrain inclu..

The Front Runners New York Cross Country 5K is an exciting running and walking event scheduled to take place at Van Cortlandt Park in the Bronx on September 27, 2025. This event invites participants of all skill levels to enjoy a scenic course while promoting fitness and community spirit. The 5K run..

The IronHike Endurance Series, held at Mohawk Mountain Ski Area in Cornwall, Connecticut, is a multi-day endurance event featuring rugged, scenic courses designed to challenge participants with significant elevation gains. Spanning from October 2 to 5, 2025, the series offers various timed events ra..

The Run the Vineyards - Pindar Fall 5K and 8K is a scenic autumn race held at Pindar Vineyards in Peconic, NY, featuring courses through 300 acres of vineyard property. Participants can choose between a 5K or 8K race on a mostly flat course consisting of hard-packed dirt trails and short-cut grass,..

The KMT Fall Foliage Frenzy is a timed trail running event held in Montebello, NY, near Kakiat Park and Harriman State Park. Participants can choose between 3-hour and 6-hour race options, running on a challenging 2.33-mile loop with approximately 660 feet of vertical gain. The course offers stunnin..

The Tesla Hertz Run, held in Rocky Point, NY, is a multi-distance ultramarathon event featuring races from 10 miles up to 150 miles. The course is a scenic 10.48-mile loop through the pine barrens of Long Island, offering a remote trail experience with minimal outside interaction. Runners benefit fr..

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 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,..

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 2025 Never Stop Running Foundation Great Pumpkin Dash Trail 5K is a scenic trail run/walk held at Blydenburgh County Park in Smithtown, NY. The course features shaded trails with a mix of dirt roads and hard-packed surfaces, suitable for first-time trail runners, though strollers and wagons are..

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 FALL Run The Farm is a 5-mile trail race held at Muscoot Farm in Katonah, NY, 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 7-12 and another for children 6 and under. The race showcases the scenic beauty of M..

The Big Bear Squatchtoberfest, hosted by Sassquad Trail Running and the New York-New Jersey Trail Conference, is a challenging trail running event held at Harriman State Park in Tuxedo, New York. Scheduled for October 19, 2025, it features a half marathon and a 10K race on rugged, technical trails w..

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