Mark Duncan / AP
Michael Phelps, top, and Ryan Lochte of the United States compete in the men's 200-meter individual medley swimming final on Aug. 2.
David Gray / Reuters
Phelps swims to win the men's 200m individual medley final.
Clive Rose / Getty Images
Debbie Phelps, center, the mother of Michael Phelps and his sisters Hilary Phelps, left, and Whitney Phelps, cheer him on during the men's 200-meter individual medley swimming final on Aug. 2.
Dennis M. Sabangan / EPA
Michael Phelps with his gold medal.
Reuters reports: Michael Phelps became the first male swimmer to win the same event at three successive Olympics when he clinched the men's 200 meters individual medley gold medal at the London Games on Thursday.