Trail Running calendar near Bristol 2026-2027

A USATF sanctioned 10 mile out and back trail race along the Merrimack River in Andover, MA, dedicated to a runner who passed away. Features age-group awards, post-race refreshments, and proceeds support trail maintenance.

Experience an obstacle course race in Cumberland featuring a 3.2 mile loop with 1000 feet of elevation. Choose from competitive waves, multilap options, or a signature 12 hour ultra endurance challenge.

Trail running at Wompatuck State Park in Hingham, MA on April 11, 2026, offering 5K, 5M, and a limited 8-Hour looped ultra, reversed course this year with on-course aid and drop bag support.

Run a unique quarter marathon distance on the paved trails of West Hartford Reservoir. This chip timed 6.55 mile race features a two loop course with post race treats and age group awards.

Test your endurance on a scenic five kilometer trail loop in Wrentham Massachusetts. This supported race offers forty and fifty mile challenges with a twelve hour cutoff and consistent access to aid stations.

The 11th Annual F.O.R 5k Trail Race takes runners through the scenic McDonald Nature Preserve in Wilbraham. This family-friendly trail run supports the local parks' maintenance fund.

A trail race at Jericho Town Forest (Weston, MA) on April 25, 2026 offering 10K, half, marathon, and 50K options on a marked 10K loop, cupless aid station, strict cutoffs, and parking by volunteers.

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 student run community event on April 25, 2026 at MacDuffie School in Granby, MA featuring a flat cross country 5K and an optional Color Run, with 100% of proceeds going to Dakin Humane Society.

Experience a technical 5 mile trail run through 250 acres of scenic green space in Killingworth. Navigate rocky terrain and elevation shifts at the Deer Lake Outdoor Center with awards for multiple age categories.

Celebrate National Truffle Day with a chocolate themed trail run at Giddings Park. This event features a three loop 5K for all ages and a kids fun run to support Franklin Elementary School programs.

Trail races in Lyme, Connecticut offering a 9.2 mile loop and a 3 mile sprint on Mount Archer trails. Chip timed and rain or shine, with 100% of proceeds donated to local emergency services.

Experience an all trail race through the scenic Frances A. Crane Wildlife Management Area. Choose between 10K, 20K, or 30K distances on a repeating loop course in East Falmouth.

A technical trail race on the Wapack Trail in Ashburnham, MA on May 9, 2026, offering 21.5, 43 and 50 mile options over rocky single track and significant elevation. Registration is limited, manually timed, and nonrefundable.

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 spring 10K trail race on Block Island that mixes dirt roads, coastal tracks, rolling pastures and a steep double tiered climb near mile four. Packet pickup and registration take place at the Block Island School.

A last person standing loop race on Ragged Mountain where runners repeat a roughly 3.11 mile loop and must finish each lap within one hour; entrants are eliminated if they fail to start or finish a lap, continuing until a single finisher re..

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.