Free to Run Trail Races

The Grafton 15K is an exciting running event set in the scenic Grafton Lakes State Park, featuring a challenging course that spans approximately 9.3 miles with an elevation gain of 900 feet. This spring race is designed to be accessible for new trail runners, offering technical yet runnable trails...

The Tails & Trails State Forest Run, scheduled for May 17, 2025, in Pittsfield, MA, features three race distances: 50K, 25K, and a 5 Miler. This event supports local animal rescue nonprofits, including Red Robin Song Animal Sanctuary, No Paws Left Behind, and Berkshire Bird Paradise, Inc. Participan..

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 Notchview Ultra is an exciting multi-day running event scheduled for July 11-14, 2025, in Windsor, MA. Participants can choose from various race formats, including 100.7 miles, 72 hours, 48 hours, 24 hours, 12 hours, and 6 hours, all set on a scenic 1.9-mile loop trail. The event features well-s..

The Sweltering Summer Ultra is an annual running event held in Pittsfield, Massachusetts, featuring an 8-hour race on a certified dirt and cinder track. Participants can run or walk as many laps as they choose, with a total of 74 laps required to complete a marathon distance. The event includes a un..

The Jug End Loop Ultra is an exciting running event scheduled for August 23, 2025, at Jug End State Reservation in Egremont, MA. Participants can engage in a 6-hour ultra event, completing as many laps as possible on a scenic 4.2-mile course that features a mix of uphill and downhill terrain. The ev..