Trail Running calendar near Harwich 2026-2027

A recurring one-hour trail run for women and nonbinary participants at North Reservoir in the Fells, covering a 3-mile loop at a conversational pace of about 11–12 minutes per mile. Sessions are in person and may be canceled for steady rain..

Experience three seasons of trail running and walking through scenic conservation land and a working vegetable farm in Wrentham with this unique 5K triple series.

Experience a scenic 5k trail run through conservation land and working farmland in Wrentham. Celebrate Earth Day with an off road course featuring natural obstacles and community focused agriculture support.

A professionally timed 5 km trail event around West Reservoir in Harwich on April 26, 2026, organized by Kiwanis of Lower Cape Cod with the Monomoy Key Club. Runners and walkers are welcome with an after run gathering at The Seal Pub.

Experience an all trail race through the scenic Frances A. Crane Wildlife Management Area. Choose between 10K, 20K, or 30K distances while supporting local wildlife and land conservation foundations.

Trail races at Watuppa Reservation in Fall River on May 9, 2026, featuring grassy fire lanes, winding single track and aid stations each lap. Distances offered are 10K, 30K and 50K.

A dog friendly 5K and a 2.6 mile walk at Borderland State Park on May 9, 2026 to benefit School on Wheels of Massachusetts. The event features refreshments, pup cups, kids pupsicles and free t shirts for early registrants.

Run or walk a 5k on the Southern New England Trunkline Trail in Franklin. This event supports the development of an abandoned rail bed into a multi use path connecting local communities.

Celebrate the eighth annual Trillium Spring 5K in Canton or participate virtually from anywhere. Join over 500 runners at the brewery to support Girls on the Run Greater Boston with races for adults and children.

Join this adventure based event in Barrington featuring a 1.5 mile neighborhood loop and an accessible adaptive course. This family focused run includes electronic timing and performance shirts for the first 1,000 participants.

Experience a unique trail race on Cathleen Stone Island in the Boston Harbor. Enjoy a scenic ferry ride and a chip timed run followed by dinner and drinks to support science education for Boston youth.

Powisset Farm Trail Run Spring on May 25, 2026 in Dover, MA offers 8.6, 5.6, 3.1 and 1.5 mile courses on a flat farm meadow and the rolling trails of Noanet Woodlands.

Operation Mohawk Tactical 2 unites the Mohawks Medevac and Honor & Remember 5 Miler events. It takes place at F Gilbert State Forest in Foxboro, supporting veteran and first responder suicide prevention. Participants can run, ruck, walk, or..

A scenic 2.5 mile off-road run or walk around Horn Pond paired with a festival at Ice House Park featuring food trucks, a DJ, raffles, kids activities, and over 25 local mental health and substance use providers.

Run a flat, out-and-back course on the scenic Holliston Rail Trail. This event offers a 5K and a 10K for adults, plus a fun run for kids with distances based on age. The community gathering point is Blair Square in Holliston.

Enjoy a 3 mile trail run through the scenic Westport Rivers Vineyard & Winery followed by a vineyard celebration with dinner, wine, and live music.

Run a scenic yet rugged half marathon trail race at Lynn Woods Reservation in Massachusetts. This 13.1-mile event features three challenging loops showcasing the historic Stone Tower. The focus is on sustainability and a centralized start/f..

Run the TARC Blue Hills Skyline 12K on June 21 in Milton, MA, tackling about 2,300 feet of climbing on rocky, technical Skyline trails. Stair climbs and panoramic Boston skyline views make this a memorable trail challenge.

The Anchor Down Ultra presents a series of timed ultra-marathons on the coast of Rhode Island. Runners can choose a 6, 12, or 24 hour challenge within Colt State Park.

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..