Trail Running calendar near Boston 2026-2027

A community running event on June 6, 2026 in Holliston with 5K, 10K, and a Kids Fun Run on the flat Holliston Rail Trail. Registration opens March 1; fees are $30 for the 5K and 10K and $5 for the kids run.

A 20-mile single-loop hike at Wompatuck State Park on June 6, 2026, held on National Trails Day. Varied terrain, aid stations every 5-7 miles, on-site parking, finisher medals and certificates; the event is sold out with a wait list availab..

A trail run at Westport Rivers Vineyard & Winery on June 7, 2026, covering about 3 miles of mixed trails and finishing among the vines. The event includes dinner, wine, music and a souvenir wine glass, with BBQ only options available.

A ninth annual trail race through Dogtown Common on a rugged 5.4 mile course that mixes carriage roads and technical rock sections. Walkers are welcome, course maps are available, and prizes and event shirts are offered.

A five mile fun run along the Cheshire Rail Trail from Fitzwilliam Depot to the restored Troy Depot on June 13, 2026. The day features food and festivities, a children's loop, return transport on request, and benefits local historical socie..

A trail event in Dunstable, MA supporting the Humane Society for Greater Nashua, featuring a marked 5-mile loop with nearly 600 ft of elevation gain per lap and an optional 6-hour format for repeated laps.

A Last Human Standing trail race near Big River Management Area in West Greenwich, RI. Runners repeat the same loop each hour and must complete each lap within 60 minutes to remain in the field until only one athlete remains.

A community fun run on 06/13/2026 behind Madbury Town Hall with a 1K kids run and a 5K route through Kingman Farm trails. Registration is free and donations for park improvements are accepted on the day.

Trail races at Mansfield Hollow State Park: a roughly 15.7 mile out and back on the Nipmuck Trail and a new 5K trail loop. Proceeds support Connecticut trail stewardship groups.

A community run on a three-loop course at the Natick Community Organic Farm, mixing trail, field, and road surfaces. Participants receive a commemorative chicken medal and top finishers are tracked in adult and kid categories.

A 5.6 K trail run and walk at Berry Pond in Harold Parker State Forest on June 14, 2026. Walkers and leashed dogs are welcome; prizes are awarded, all entrants receive a bandana, and hotdogs are provided after the race.

Part of the Grit Series at Dublin Outdoor Center, this trail event offers a 10K and a half marathon over rugged trails with significant elevation gain and views of Mount Monadnock. Registration runs May 3 to June 6, 2026.

A trail half marathon in Lynn Woods Reservation on June 21, 2026, run as three identical loops over forested singletrack and carriage roads. The event emphasizes environmental stewardship and uses a centralized start and finish at the main..

Muddy Princess Boston is a women only 5K obstacle mud run at Kimball Farm in Haverhill on June 21, 2026. The course has 18 plus obstacles and is open to women aged 7 and up who may run, jog or walk.

A three-race summer trail series at West Hill Dam featuring well-marked wooded single and double-track trails, limited fields, age-group prizes, and a portion of fees donated to local food pantries.

A Spartan obstacle weekend at Carter and Stevens Farm in Barre, MA on June 27 and 28, 2026 with Sprint, Super, and kids races, plus an obstacle workshop and spectator access.

A looped trail 50K at Spaulding Academy in Northfield, NH featuring five 10K technical loops, about 32 miles and 4,000 feet of gain. Ten hour race limit, cupless format, and support for Spaulding Academy & Family Services.

A 12K trail race on the Blue Hills Skyline Trail with about 2,300 feet of climbing, rocky steep terrain, and minimal aid. The route follows Skyline blazes from the Blue Hills Ski Area parking lot and requires participants 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 event in Lawrence Woods within the Middlesex Fells Reservation near Medford, MA. The course is an approximately five mile loop with a minimal aid station; participants commonly set up personal spots near the start and aid are..