The Boston Marathon is the world's oldest annual marathon and is one of the world's most prestigious road races. Spectators can cheer the runners on throughout the course. The historic course starts on Main Street in the rural New England town of Hopkinton and runs through Ashland, Framingham, Natick, Wellesley, where Route 135 joins Route 16. It continues along Route 16 through Newton Lower Falls, the Newton Hills, Chestnut Hill to Cleveland Circle, through Kenmore Square, and under Massachusetts Avenue. The course finishes near the John Hancock Tower in Copley Square. Optimal viewing locations are listed on the website, as well as a course map and viewer information.
Photo courtesy of Sonia Su via Flickr