The 2013 Open Championship was a men's major golf championship and the 142nd Open Championship, held from 18 to 21 July at Muirfield Golf Links in Gullane, East Lothian, Scotland. Phil Mickelson shot a final round 66 (−5) to win his fifth major title, three strokes ahead of runner-up Henrik Stenson. Mickelson began the round five strokes back, in a tie for ninth place. Ian Poulter, Adam Scott, and 54-hole leader Lee Westwood tied for third, four back of Mickelson.