MAY Massachusetts DISCOUNT to the Twin Lights Half Marathon. Event to be held in Gloucester, MA on May 5th! Fifty 50 States HALF Marathon Club members, still time to register and use your discount! This is an "out and back course that begins at Good Harbor Beach in Gloucester and leads runners along the seacoast of Cape Ann and through beautiful downtown Rockport. The seashore will be visible for most of the race's route and allows runners a close-up of many quaint views of some of New England’s most spectacular scenery."