Trail Running calendar near Westport 2026-2027

An old school 12K trail run at Blue Hills Reservation with about 2,300 feet of climbing over rocky, steep terrain and staircase sections. Minimal aid and a 150 participant limit mean participants are expected to carry hydration.

A memorial 5K run and walk at Owen Bell Park in Dayville CT that raises funds for a scholarship for Killingly Ag-Ed seniors. The day includes a 5K, a walk, and a kids fun run on off-road paths with possible trip hazards.

A 12 hour loop run in Lawrence Woods, Medford, MA on July 18, 2026. The roughly four mile loop has minimal aid and space for participants to set up personal stations near the course.

A trail race at Soapstone Mountain in Somers, CT featuring a 5.5 mile loop with six ascents, a cupless water stop, a 50 runner cap, and course sections that can be steep and rocky; organized by the Shenipsit Striders.

Muddy Dash Boston is a family-friendly 5K mud run at 508 INTL Adventure Sports Center on August 1, 2026, with obstacles, mud pits and slides, plus a pre-party and an after-party with music and food.

A community cross country meet at Stonington High School offering a 5K and a children's 1/2 mile. The course mixes track, quiet campus streets, trails, grass, and finishes back on the track.

A community fundraising day in Groton, MA on August 5, 2026 featuring an 8.4 mile three-person relay, kids single-loop race and Little Lambs mini runs, followed by barbecue and activities, with proceeds to six local charities.

A four mile beach run at low tide on Nantasket Beach in Hull, Massachusetts. The out and back course starts near the Mary Jeanette Murray Bath House and raises funds for Hull Boosters and The Emma Ryan Memorial Fund.

A seaside set of timed ultra-marathon events at Colt State Park in Bristol, Rhode Island, offering 6 hour, 12 hour, and 24 hour formats with separate entry periods and fees.

A trail event at Noon Hill Reservation in Medfield offering a 10 mile loop plus 50K and 40 mile ultra options, mostly singletrack with roots, rocks, and a scenic Noon Hill vista; proceeds benefit The Trustees of Reservations.

A community eight hour loop run at Crandall's Pavilion in Tolland, CT, organized by the Shenipsit Striders. The free event features repeated roughly 5K trail loops, potluck food, and an optional donation jar.

A 5K off-road trail run, walk, and hike at White Barn Farm through Wrentham conservation land. The event is part of the Farm to Trail 5K Series and raises funds to support local agriculture and food pantry donations.

A chip-timed 5K run/walk at Brimfield Winery on a two-lap grass course with hills, race swag, a wine pour, and age group awards; a one-lap 1.5 mile division is available.

Trail runs over Vineyard Hill and through Bradley Palmer State Park offering 5K and 10K courses with one Start/Finish aid station, local prizes, and chip timing as part of the North Shore Trail Series.

A 5K cross country race at Waters Farm in Sutton Massachusetts that opens the USATF New England XC Grand Prix series. Separate men's and women's open races, on site registration, and a post race awards ceremony.

Ocean State Ultra in West Greenwich, Rhode Island (August 29–30, 2026) offers a 100 mile race with a 34 hour limit plus 12 and 6 hour loop events; registration runs March 30 to August 17, 2026.

A timed, summit-driven trail event on Wachusett Mountain offering 7, 14, 21, and 28-mile options, optional weighted vests for bonus swag, and up to 10 hours to complete the marked course.

Experience a scenic 3.3 mile trail run or hike through the Oswegatchie Hills Nature Preserve. Support local land conservation while enjoying a timed course around Clark Pond followed by an awards ceremony with refreshments.

Trail Animals Running Club hosts a multi distance trail event at Great Brook Farm State Park on September 5, 2026. Looped 10K and 10 mile courses cover distances from 10K to 50 miles, plus a youth fun run and a Yeti Mischief Mile.

A trail 5K at Felix Neck Wildlife Sanctuary in Edgartown on September 5, 2026, with a 0.25 mile kids run for ages eight and under. Registration has set fees and bib pickup is handled at the sanctuary and proceeds support conservation.