The lone red seat in the right field bleachers (Section 42, Row 37, Seat 21) signifies the longest home run ever hit at Fenway. The home run, hit by Ted Williams on June 9, 1946, was officially measured at 502 feet (153 m) – well beyond "Williamsburg". According to Hit Tracker Online, the ball, if unobstructed, would have flown 520 to 535 feet (158 to 163 m).[58]