Endorphins Boston 2026 Shakeout Run

The big community shakeout the day before the Boston Marathon — a 3-mile loop starting at the Parkman Bandstand on Boston Common, bringing together running crews from across the city and beyond. Free New Balance shirts available while supplies last, plus all the pre-race energy you'd expect from one of the largest gatherings of the weekend.

Good to know

• 9:00 AM start at Parkman Bandstand, Boston Common
• 3-mile route
• Free shirts while supplies last