Trail Running calendar near Chester 2025-2026

The Traprock 50 is a challenging trail running event held at Penwood State Park in Bloomfield, CT, featuring two race distances: a 50K and a 17K. The course consists of approximately 10.5-11 miles per loop, with the 50K requiring three loops and the 17K one loop. Runners will navigate a mix of techn..

Shore2Shore is a scenic running event taking place in East Islip, NY, featuring both a 50K and a 25K race. Organized by Happily Running and the Long Island Greenbelt, the race offers participants a chance to traverse the beautiful Suffolk County Long Island Greenbelt Trail, with a course that includ..

The Lake Mohegan Trail Race is a women's only trail running event held in Fairfield, CT, organized by Steep Endurance. Aimed at promoting trail running among women, the event typically sees 30-40% female participation. In 2024, over 125 runners participated, showcasing the event's growing popularity..

The Radish Rambler 5k at White Barn Farm is a fun and engaging trail run/walk/hike set in the scenic conservation land of Wrentham, Massachusetts. Scheduled for April 26, 2025, this event welcomes participants of all ages and skill levels, marking the opening day of the farm and an Earth Day celebra..

The Jack Bristol Lake Waramaug Ultra Races, taking place on April 27, 2025, is a celebrated ultra-running event in Connecticut, marking its 51st anniversary. This historic race features three distances: 100K, 50 miles, and 50K, all set around the scenic Lake Waramaug. Participants can expect well-st..

Leatherman's Loop is a popular 10k trail race held annually in Cross River, NY, attracting participants of all ages from 7 to 107. The event is known for its scenic course and community spirit, and entry is determined through a lottery system due to high demand. The registration fee includes the par..

The Conquer The Trail 5k is an annual running event celebrating its 10th year, taking place at Mercy University in Dobbs Ferry, NY. This year, the race will feature a flat and fast out-and-back course along the Old Croton Aqueduct Trail, with a single hill before the finish. Proceeds from the event..

The Forgotten Forest Ultra Run is a unique trail running event held in Roosevelt Forest, Stratford, CT. Scheduled for May 3, 2025, this 9-hour ultra trail race invites participants of all levels, including runners, joggers, hikers, and walkers, to complete as many miles as they can on a well-marked..

The 7 Sisters Trail Race is an exciting running event that features a series of wave starts based on anticipated finish times, ensuring a well-organized experience for participants. Runners are required to carry their own water, as the race is cupless, promoting sustainability. The event is capped a..

The Bear Mountain Trail Challenge is an exciting running event set in Bear Mountain State Park, located just an hour from New York City. Participants can choose from three race distances: a 50K, a half marathon (21K), and a 10K. The course features a diverse range of terrains, including short climbs..

The Dandelion Dash and Mushroom Mile is a fun running event taking place in Hadley, MA, featuring a 5K trail run or walk and a 1-mile race suitable for participants of all ages. This event aims to support The Hartsbrook School's unique programming, which includes land stewardship and sustainable pra..

The Breakneck Point Trail Runs, organized by Red Newt Racing, is a challenging trail running event set to take place on May 4, 2025, in Beacon, NY. Participants can choose between a half marathon (13.1 miles) and a full marathon (26.4 miles), both featuring significant elevation gains and technical..

The Blue 2 Blue Challenge is a demanding 50K trail race set in New Haven, Connecticut, known for its challenging terrain and technical trails. This event, which runs along the Regicides and Quinnipiac Trails, features over 6,350 feet of elevation gain, making it one of the toughest races in the stat..

The Spring Fling 600 is an annual trail running event organized by the CT Trailmixers, taking place at YMCA Camp Sloper in Southington, CT. This year marks the eighth edition, featuring two race options: a 600-minute challenge where participants can run as many loops as they wish on a roughly three-..

The Watuppa Trail Races is an annual running event held in Fall River, Massachusetts, celebrating its 11th year in 2025. Participants can choose from three race distances: 10K, 30K, and 50K, catering to various skill levels and preferences. The event takes place in the scenic Watuppa Reservation, pr..

The "Run Like A Mother" 5K Trail Run, organized by the Franklin Elementary School PTO, is a family-friendly event taking place at Giddings Park in North Franklin, CT. This Mother's Day-themed race celebrates the incredible role of mothers and is open to participants of all ages, including a special..

The Run Ragged Last Person Standing event, hosted by the CT Trailmixers, is an exciting endurance race set in the rugged terrain of Ragged Mountain, Berlin, CT. Participants will tackle a challenging 3.11-mile loop, with one hour to complete each lap. The race continues until only one runner remains..

The Nassau Suffolk Trail Marathon & 15 Miler is a premier running event taking place in Farmingdale, NY, on May 18, 2025. This event features two main races: a full marathon and a 15-mile trail run, both set in the scenic Bethpage State Park. Participants will enjoy a well-marked course that include..

The 16th Annual Farmington River Run 5K Trail Race is scheduled for May 18, 2025, at Winding Trails in Farmington, Connecticut. This scenic race takes place on a designated 5K trail within a 300-acre area surrounding Walton Pond. Participants can compete for awards in various categories, including o..

The Spring Run The Farm event, scheduled for May 18, 2025, in Katonah, NY, features a 5-mile trail race and two kids' races. The main event is open to participants aged 6 and older, while the kids' races cater to ages 7-12 and 6 and under. The race takes place at Muscoot Farm, showcasing the area's..