Trail Running calendar near Cornwall 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 Moosup Valley 5K and 10K All Trail Race takes place in Moosup, Connecticut, on the newly restored Moosup Valley State Park Trail. This event features a 5K, a 10K, and a Kids Fun Run, all held on a 100% trail course that crosses only one dead-end road. The race starts and finishes at the Griswold..

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 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 and an 8K race, both on mostly flat, hard-packed dirt trails and short-cut grass, making the e..

The KMT Fall Foliage Frenzy is a timed trail running event held in Montebello, NY, featuring 3-hour and 6-hour race options. Participants run on a challenging 2.33-mile loop course in Kakiat Park, adjacent to Harriman State Park, with approximately 660 feet of vertical gain per lap. The course offer..

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..

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..

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 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 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 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..

Big Bear SquaTCh South, held in Harriman State Park, Tuxedo, New York, offers two rugged trail distances: a 13.1-mile half marathon and a 10K. The course is technical with rocks, roots, steep climbs, and a short scramble, totaling about 2,200 ft of gain for the half and 1,200 ft for the 10K. The eve..

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..