Ready to be part of something special? We're looking for volunteers to help make our 2nd annual Charles River Marathon Invitational a success! You can help out during pre-race number pickup on Saturday, September 12th, or jump in on race day Sunday, September 13th, 2026—we need awesome people for everything from setup and registration to water stops, marshaling, and more. Head over to our event page to check out all available shifts and get the full scoop on this fantastic marathon experience!