The legendary Red Sox play baseball at Fenway Park (Kenmore subway on the Green "T" line). The whole stadium, squeezed in 1912 into the odd-shaped plot that was all its builders could buy, is painted green, including the 37ft, six-inch wall in the left field known as the " Green Monster " ($18-55; information tel 617/267-8661, tickets tel 617/267-1700, ). Basketball 's Celtics and hockey 's Bruins both play at the Fleet Center, 150 Causeway St near North Station (box office open daily 11am-7pm; call Ticketmaster for tickets by phone 617/931-2000, ).

The 26.2-mile Boston Marathon , first run in 1897, is now held on Patriot's Day, the third week in April, and finishes on Boylston Street at Copley Square (tel 617/236-1652, ).