The event will officially be known as the HSS Greenwich Half Marathon. Scheduled for Sunday, September 27, the inaugural HSS Greenwich Half Marathon will welcome runners to a scenic, flat and fast 13.1-mile course through Greenwich Point Park and the surrounding coastal roads of Old Greenwich. “HSS is proud to serve as the Title Sponsor of the inaugural Greenwich Half Marathon,” said Keith Parmalee, Director at HSS Stamford. The HSS Greenwich Half Marathon will begin at 7:00 a.m. on Sunday, September 27, at Greenwich Point Park. As a proud chapter of the Road Runners Club of America, Greenwich Road Runners is committed to creating an inclusive and supportive running community.