1 running event in Dartmouth, Massachusetts

Theresa Street's 5th Annual Harbor Run 5K is taking place on May 16, 2026 at Dartmouth High School and is open to runners and walkers of all abilities. This event raises funds for unified sports programs in the South Coast of MA and organizations focused on youth education and mental health. This year, we're setting out to raise $15,000!

Whether you're running, walking, or cheering from the sidelines, we invite everyone to come out, show your support, and enjoy a fun-filled day!