Trail Running calendar near Smithtown 2025-2026

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 Run for the Pumpkins Trail Run is part of the WTAC Fall Race Series, taking place at Bradford Preserve in Westerly, Rhode Island. Scheduled for October 4, 2025, the event features a 10K, a 5K, and a children's 1K run for participants aged 10 and under. The courses showcase the natural beauty of..

The Run the Vineyards - Pindar Fall 8K is a scenic running event set in the picturesque Pindar Vineyards in Peconic, NY. Participants can choose between an 8K and a 5K race, both featuring flat courses primarily on hard-packed dirt trails and grass, making them walker-friendly. The event includes ch..

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. The course features a challenging 2.23-mile loop with roots, rocky terrain, and a notable hill ca..

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..

Run The Farm in Katonah, NY, is a scenic 5-mile trail race held at Muscoot Farm, 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 highlights the natural beauty of..

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 Grills Trail Run, organized by the Westerly Track & Athletic Club, is part of the WTAC Fall Race Series and will take place at Grills Preserve in Westerly, Rhode Island. Participants can choose between a 10-mile and a 10K race, both showcasing the scenic trails and natural beauty of the area, in..

The Fall Back Into The Trails Series will take place in Lagrangeville from Saturday 1 November 2025 to Sunday 2 November 2025. You can run between 10 and 100 kilometers.

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 the scenic Rockefeller State Park. The single-loop courses feature rolling hills with picturesque views of the Hudson River and Palisades, passing fields, stone walls, bridges, lakes, st..

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 scenic views including the site of the former fire tower. The event fosters a vibra..

NYC Trail Mix is an annual ultra trail running event held in Staten Island, New York, featuring distances of 50 miles, 50K, and a half marathon. The course showcases over 35 miles of trails through the greenest parts of New York City, including Blood Root Valley, High Rock Park, La Tourette Park, an..

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 with varied terrain, including wo..