Trail Running calendar near Bristol 2026-2027

A 5.4 mile trail race through Dogtown in Rockport and Gloucester, MA featuring varied terrain and named historic trails. Runners and walkers are welcome; early registrants receive T-shirts and prizes are awarded by overall and age categorie..

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.

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 morning trail run at Gay City State Park on June 20, 2026, offering 8 mile, 5 mile and 3 mile races. The 8 mile joins regional trail series and includes team competition with prize money.

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 race weekend at Carter & Stevens Farm in Barre, MA, featuring a Sprint 5 km with 20 obstacles, a Super 10 km with 25 obstacles, and kids races. The farm venue includes mud, woods, rolling hills and a farm store.

A point to point 5K in East Hampton beginning at the Connecticut Draft Horse Rescue with shuttle transport from Center School. Bib pick-up is at Center School gym and awards are presented by age group after the race.

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..

A one-mile out-and-back on the Farmington Canal Heritage Trail in East Granby, offered in two waves and hand timed, on crushed gravel. Limited parking and a $25 registration fee; all proceeds benefit charities.

A 5.5 mile trail race at Soapstone Mountain with six ascents and about 1500 feet of climb. The field is capped at 50 runners for parking reasons and online registration is required.

A 5K mud run on August 1, 2026 at 508 INTL- Adventure Sports Center in Boston, featuring obstacles, mud pits and slides, plus Pre-Party and After-Party with music, food and beer. Kids are welcome and light quick-dry gear is recommended.

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 event in Groton, MA featuring a three-person, 8.4 mile relay across cattle trails and Gibbet Hill, youth races and family activities, with barbecue, music, and proceeds supporting local charities.

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.

TARC Summer Classic at Noon Hill Reservation features a mostly forested 10 mile loop with singletrack, gravel and a scenic vista. The event offers 10 mile, 50K and 40 mile options and includes mandatory trail briefings and finish time limit..