Free to Run Trail Races

The Chesterfield Gorge Ultra & 25k is a unique running event held at the Chesterfield Gorge Reservation, featuring a 'choose your own adventure' format. Participants can select from various distances, including 100 miles, 100k, 50 miles, 50k, and 25k, with staggered starts to manage the flow of runn..

The TSR Trail Half Marathon will take place in Adams on Sunday 15 June 2025. You can run between 10 and 21 kilometers.

The Edge Hill Trail Race, scheduled for 2025, is a collaborative event with the Franklin Land Trust, celebrating the scenic trails and dirt roads of Ashfield. This race emphasizes a relaxed atmosphere, encouraging participants to enjoy the natural beauty while challenging themselves physically and s..

The Notchview Ultra, held in Windsor, Massachusetts, is a multi-day ultrarunning event featuring various race durations including 100.7 miles, 72 hours, 48 hours, 24 hours, 12 hours, and 6 hours. The course is a scenic, well-maintained 1.9-mile perimeter loop trail around Notchview, with runners pas..

The Sweltering Summer Ultra is an annual running event held at Clapp Park in Pittsfield, Massachusetts. The 13th edition features an 8-hour race on a certified 0.355-mile dirt and cinder track, with runners switching directions halfway through. Participants can run or walk as many laps as they choos..

The Jug End Loop Ultra is a 6-hour ultra running event held at Jug End State Reservation in Egremont, Massachusetts. Participants run multiple laps of a challenging 4.2-mile course featuring woods, fields, and an apple orchard, with an elevation change of 830 feet per lap, split evenly between uphil..