Trail Running calendar near Leyden 2026-2027

Explore the trails of Mansfield Hollow State Park at the Nipmuck South Trail Race. Choose between a scenic 15 mile out and back route or a new, challenging 5K course. Proceeds support local trail stewardship organizations in Connecticut.

Celebrate the switch to summer with a trail race through the landscape of Hebron Connecticut. Choose between three different distances for a run through the woods during the solstice.

Experience a mountain run at Killington Resort featuring 3,010 feet of vertical gain over 8.2 miles. Runners summit three peaks and tackle a steep 45 percent grade climb before finishing at the K1 base area.

Experience an obstacle course weekend at a lush Massachusetts farm featuring rolling hills and mud. Choose from 5k and 10k races or the kids division with onsite farm treats and a local brewery.

Notchview Ultra features a 1.9-mile groomed loop trail in Windsor, Massachusetts. The event includes multiple ultra distances from 6 to 72 hours and a 100.7-mile race. Proceeds support the Trustees of Reservations and a local humane society..

Gather your team for a two day relay through the scenic Vermont countryside. Run flowy single track trails and camp under the stars at the Ascutney Outdoor Center for an unforgettable weekend of adventure.

The Spaulding Woods 50K is a technical trail race on a 5.6-mile loop in Northfield, New Hampshire. Runners complete six laps, with 4,400 feet of elevation gain, within a ten-hour limit. The event supports Spaulding Academy & Family Services..

Muddy Princess Albany is a 5 km obstacle mud run for women held at Harley Rendezvous Classic Inc. Join this non competitive event focused on unity and empowerment while supporting the fight against breast cancer.

Experience one of America's oldest 100 mile ultramarathons featuring 17,000 feet of climbing through the Green Mountains. This historic event supports Vermont Adaptive Ski and Sports and uniquely includes a concurrent horse race.

Join a community trail run or walk at Owen Bell Park to support the Ryan French Memorial Scholarship Fund. This family friendly event features a 5K trail, a walk, and a free kids fun run.

Test your endurance at Soapstone Mountain with a five point five mile circuit featuring six mountain ascents. Run through rocky trails and finish at the mountain tower in Shenipsit State Forest.

The Ragged 75 offers a rugged three-day stage race and a demanding 50k on the scenic SRKG Greenway trails in New Hampshire. Runners summit multiple peaks over technical terrain, with overnight camping and a communal atmosphere. The event ma..

Experience a tactical mud run in Barre Massachusetts. Choose between a 5 to 7 mile course with 25 obstacles or a 3 mile sprint featuring 15 to 20 obstacles on a technical Saturday course.

Experience an obstacle course with over a dozen mud pits at the 508 INTL Adventure Sports Center. Enjoy a non competitive environment featuring music, food, and a festive atmosphere for both participants and spectators.

Test your endurance on a 0.355-mile track loop for 8 hours at Clapp Park. Enjoy a unique bottle-drop aid station and support the AYJ Fund for children with cancer. Awards celebrate all age groups and lifetime achievements.

Experience the Trail Animals Running Club Summer Classic at Medfield's Noon Hill and Shattuck Reservations, a scenic and challenging 10 mile loop of forested singletrack that climbs to a Noon Hill vista. Distances include 10 miles, 40 miles..

A trail run and fundraiser in Poultney, Vermont featuring an 8K, a half marathon, and a kids fun run on wooded singletrack and double-track trails, cup-free aid stations, finisher awards, and post-race snacks and a raffle.

Lover's Lane is a timed trail run on a 1.8-mile loop in Chester, VT. Participants can choose 6-hour or 12-hour options in a community-supported, fat-ass format. The event supports local recreation and recovery services.

The 5K Race to the Ledges will take place in Concord on Saturday 8 August 2026. You can run 5 kilometers.

Join an 8-hour celebration run on a 5K trail loop in Tolland, CT. Earn raffle tickets for each loop and enjoy a community potluck. All participants receive a special 50th-anniversary gift.