Trail Running calendar near Union 2025-2026

We have found 94 Trailruns within 80 miles of Union. See below where and when you can find the races.

The Angevine Farm Trail Festival, held annually in Warren, Connecticut, offers a scenic and challenging trail running experience in the Northwest corner of the state. The event features multiple distances including a half marathon, a new 8-hour race on a 1.25-mile farm loop, and 5K races including a..

The Run for Nature event in Lowell, MA, is a community-focused race supporting conservation and environmental education. Held at Shedd Park, it features a 1-mile Kids Fun Run, a 5K run/walk, and a 10K trail run. The course includes trails through Shedd Park and Rogers Fort Hill Park, along with a se..

October 2025

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 Nipmuck Trail Marathon, organized by the Shenipsit Striders, is a challenging 26.4-mile trail race held in Ashford, Connecticut. The course follows a rugged segment of the Nipmuck Trail, featuring rocks, roots, mud, and wood bridges, offering a demanding experience for trail runners. Participant..

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 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 Houghton's Pond Trail Races feature two distances: a 7-mile race and a 3.7-mile race, set in the scenic DCR Blue Hills Reservation in Milton, MA. Participants will navigate rolling dirt roads and forest paths, with elevation changes of approximately 700 feet for the 7-mile course and 300 feet fo..

The Forbidden Forest 30 Hour Ultra Run is an exciting endurance event set in Stratford, CT, where participants can run, power-hike, or walk for up to 30 hours. This ultra run offers various distance options, including 26.2M, 50K, 50M, 100K, and 100 miles, allowing runners to challenge themselves at..

The Midstate Massive Ultra Trail is a challenging endurance event held over two days in October 2025 in New Ipswich, New Hampshire. It features three race distances: 100 miles, 50 miles, and 30 miles, traversing the scenic Appalachian Midstate Trail and surrounding landscapes in Massachusetts, New H..

UTMB Index

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 Ghost Train Trail Races, held in Brookline, New Hampshire, is the state's original 30-hour ultramarathon event along the historic Granite Town Rail Trail. Participants can choose from multiple race distances including 7.5 miles, 15 miles, 30 miles, or a 30-hour ultramarathon and relay options. T..

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..

Tackle the Trail is a well-supported running event held in Pomfret, Connecticut, featuring multiple race distances including a marathon, half-marathon, 10K, and relay team race. The course winds through the scenic Airline Trail communities, starting in Willimantic, CT, and finishing in Putnam, CT. T..

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 Weir River Farm Trail Race, scheduled for October 19, 2025, in Hingham, MA, features three race distances: 10 miles, 6.0 miles, and 3.4 miles. This annual event showcases the scenic trails of Weir River Farm and the surrounding Whitney and Thayer Woods. Participants can enjoy post-race cider don..

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 Womp Romp is an annual trail running event held in Wompatuck State Park, Hingham, MA, featuring a 50K and a 10-mile race. The event celebrates the park's natural beauty with a course that includes single track, wide trails, and some pavement, suitable for both beginners and experienced runners...

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 Powisset Farm Trail Run - Fall is a part of the Barn to Run Trail Race Series, taking place at Powisset Farm in Dover, MA. This event features four race distances: 8.3 miles, 5.6 miles, 3.1 miles, and 1.5 miles, catering to both experienced and novice trail runners. Participants can enjoy post-r..