Trail Running calendar near Greenfield 2026-2027

We have found 142 Trailruns within 80 miles of Greenfield. See below where and when you can find the races.

A weekly Northampton cross country series held April through August on an accurately measured 5 km course through fields and woods. Day of registration is required, with modest fees and a season pass option.

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.

A 50K at Saskadena Six in South Pomfret VT featuring about 27 miles of hilly dirt roads, 3,726 feet of elevation gain, two full aid stations and an 8 hour cutoff; the 2026 race returns after a two year hiatus.

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.

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.

May 2026

A 12 mile technical out and back trail race on the Holyoke Range near Amherst, MA, with more than 3,500 ft of elevation gain. Rocky singletrack ridgelines, two manned water stations, and registration currently shows full with a waitlist.

Support marine mammal rescue by running through the scenic forests and rocky shores of Odiorne Point State Park. This family friendly event features a chip timed 5K trail race, kids fun runs, and a community beach cleanup.

The Big A 50K Trail Race is a challenging loop course on Mount Agamenticus with technical, rocky terrain and significant elevation. Participants can choose their distance, from 10 miles up to the full 50K. The event is free to register for,..

Experience a trail run or walk through the campus of The Hartsbrook School in Hadley. Choose between a 5k or a 1 mile race on natural terrain while supporting local land stewardship and agricultural education programs.

Experience the original Spartan Trail Race through the steep climbs and winding trails of the Green Mountain National Forest. Choose from distances between 10 and 200 miles for a true endurance test in Pittsfield Vermont.

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.

A trail race on Winant Park Trails near downtown Concord with windy singletrack, switchbacks, and nordic type paths. Two distances are offered and proceeds benefit the Ralph Waldo Emerson School for Preschoolers; day of event entry is avail..

Trail running festival in Rollinsford, NH offering a 5 Miler, a 5K and a Canicross 5K on mixed rail trail and river single track, with specific rules for canicross teams and an aid station on the 5K route.

Join the community at the Pinkerton Academy 5K Astro Run in Derry New Hampshire for a scenic 5 km race held on the academy campus grounds.