Trail Running calendar near Chesterfield 2025-2026

The NipMuck Trail Marathon is a challenging 26.4-mile race held on the scenic Nipmuck Trail in Ashford, Connecticut. Participants can choose between the full marathon or a relay option, where two runners share the distance. The course features a mix of terrain, including rocks, roots, and mud, makin..

The Groton Town Forest Trail Races, organized by the Squannacook River Runners and Groton Trails Committee, feature two scenic courses of 9.5 miles and 3.4 miles through the picturesque Groton Town Forest. The trails are well-marked and consist of narrow dirt roads and winding paths, presenting a mi..

The Midstate Massive Ultra Trail is an endurance running event taking place in New Ipswich, New Hampshire, featuring three challenging race options: 100-mile, 50-mile, and 30-mile courses. Set against the stunning backdrop of autumn in New England, the race follows the historic Midstate Trail, cross..

The Mohawk Mountain Race, organized by Steep Endurance, takes place at the Mohawk Mountain Ski Area in Cornwall, CT. This unique event transforms the ski mountain into a challenging running course featuring 5K, 10K, Half Marathon, and Marathon options. Participants will navigate steep ascents and de..

The Ghost Train Trail Races, taking place in New Hampshire, is a unique running event that features a 30-hour ultramarathon, relay races, and shorter distances of 15 miles and 30 miles. Established in 2009, the event serves as a fundraiser for the Brookline and Milford Conservation Commissions, with..

The Mt. Tom Trail Race is an exciting running event set against the stunning backdrop of Mt. Tom, featuring challenging terrain and breathtaking views, particularly during peak foliage.Participants can choose from a solo 25k, a 2-person 25k relay, or a solo 10k. The race supports the Kestrel Land Tr..

The Bimblers Bluff 50K is an off-road foot race held in southern Connecticut, starting at Guilford Lakes School. The course features rolling forest roads and rocky single tracks, providing a challenging experience for runners. Unlike many similar events, participants do not complete the same loop mu..

The Book It for Books 10K and 5K is a charity running event held at Lake Accotink in Springfield, VA. Participants can choose to run or walk, with the event supporting literacy programs and providing books to children in need. The race features a trail course around the lake, with the 5K on the sout..

The Hamsterwheel is an exciting ultrarunning event taking place in New Boston, NH, featuring races of 6, 12, 24, and 30 hours. Celebrating its 11th year, participants will run a scenic 4-mile loop along the New Boston Rail Trail, with a turnaround point at Lang's Station. The event encourages both i..

The Fall Back Into The Trails Series is an annual running event hosted by C.T.W Endurance, taking place at the Red Wing Recreation Area in Lagrangeville, NY. Scheduled for November 1-2, 2025, the series features three race options: a challenging 100k, a 50k, and a 10k, each with varying elevation ga..

The Moreau Half is an exciting 14-mile trail race set in the scenic Moreau Lake State Park, scheduled for November 1, 2025. This challenging event features a course that includes approximately 2,700 feet of elevation gain, making it suitable for experienced runners. Participants can expect a technic..

The Saratoga Stryders Fall Back 5 Mile Trail Race is an exciting running event set in the scenic Saratoga Spa State Park. Participants can enjoy a challenging course that features a mix of hills, ridges, and single-track trails, showcasing the park's natural beauty. The race encourages runners to em..

The "8 Hours at the Farm" is a trail running event organized by Steep Endurance, taking place at Gurski Farm/Williams Park in Brookfield, CT. This event features a scenic, approximately 4-mile loop course that includes single track and rolling farm trails, fostering a vibrant community atmosphere am..

The Tarrywile Half Marathon is a challenging trail race set in Tarrywile Park, Danbury, Connecticut. Known for its tough terrain, the course features significant elevation gain of nearly 3,000 feet and technical Northeast single track paths. Participants can choose from three distances: a Half Marat..

The Mount Ascutney Vertical Backyard is a unique "Last Person Standing" running event held in Brownsville, VT. Participants will ascend and descend 1,209 vertical feet each hour, with options for different lap lengths. The challenge continues until only one runner remains, with the goal of matching..

The Fall Fling 400 is an annual trail running event organized by the CT Trailmixers, featuring a unique 400-minute race where participants can complete as many loops as they wish on a two-mile course. Additionally, a 4-mile option is available, consisting of two laps of the same course. The event pr..

The Tower Tag Challenge is an exciting trail running event held at Sleeping Giant State Park in Connecticut, known for its stunning views and diverse trails. Participants can choose between 4-hour and 8-hour options, racing up and down the Tower Trail, which ascends over 600 feet to the Observation..

The Sleeping Giant Trail Runs is a challenging new race set in one of Connecticut's iconic parks, known for its diverse trails. Participants can choose between a 25K and a 50K course, both featuring over 3,000 feet of elevation gain. The event showcases a mix of smooth carriage roads and technical,..