Trail Running calendar near Monroe 2025-2026

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 covering the first part of the longer course. The trail features natural terrain includi..

The Caldwell Cougar Chase XC 5K & 8K is a cross-country running event held at Garret Mountain Reservation in Woodland Park, New Jersey. Scheduled for September 26, 2025, it features a women's 5K and a men's 8K race on a rolling course that includes trails, hills, gravel, dirt paths, grass sections,..

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...

Front Runners New York's Cross Country 5K returns to Van Cortlandt Park in the Bronx for its 22nd annual fall meet. The Run/Walk begins near the Tortoise & Hare Sculpture, with bib pickup guided by FRNY volunteers. Supported by the Tom Cook Fund, race-day amenities include on-site registration, swag..

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 NJ Trail Series One Day is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. Scheduled from October 2 to 5, 2025, it features a variety of race options including 72, 48, 24, 12, and 6-hour timed races, as well as marathons and 50K distances. The course..

The Run for the Pumpkins Trail Run, held in Westerly, Rhode Island at Bradford Preserve, is part of the WTAC Fall Race Series. This event features 5K and 10K trail races, along with a free 1K children's run for ages 10 and under. The courses highlight preserved town land and the Woody Hill Managemen..

The CFA Trail 5K & Children's Fun Run for Mental Health is a timed trail running event held at Deans Mill Farm in Stonington, Connecticut. Participants can choose between a 5K trail run or a fun run for children aged six and under. The race takes place amid beautiful fall foliage, offering a scenic..

Chasing Ciara's Light 5K/12K Trail Race 2025, held at Great Hollow Lake in Monroe, CT, offers timed 5K and 12K trail races along a scenic course. Sanctioned by USATF and spectator-friendly, it features multiple spots for cheering. A Kids Fun Run provides additional family-friendly activity.The cours..

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 Fat Sass Switchback Challenge is a trail running event held in Millburn, New Jersey, at the South Mountain Reservation's Locust Grove Picnic Area. Scheduled for October 5, 2025, it features a challenging 1-mile loop course with 300 feet of elevation gain, including steep climbs and technical, ro..

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 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 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..