London Olympics | swimming

Gold medalists in the women’s 4x200m freestyle relay, the United States team poses for photos after the medal ceremony. From left are Allison Schmitt, Dana Vollmer, Shannon Vreeland and Missy Franklin.  (Robert Gauthier / Los Angeles Times)

U.S. swimmer Nathan Adrian celebrates after winning the men’s 100m freestyle race.   (Robert Gauthier / Los Angeles Times)

Michael Phelps, left, and Ryan Lochte race in the men’s 200m individual medley semifinal.  (Robert Gauthier / Los Angeles Times)

U.S. swimmer Ryan Lochte leads teammate Michael Phelps and the rest of the field in the men’s 200m individual medley semifinal.  (Robert Gauthier / Los Angeles Times)

Tyler Clary of the United States celebrates winning the men’s 200m backstroke semifinal.  (Robert Gauthier / Los Angeles Times)

Ryan Lochte of the United States blows down the lane in his heat of the men’s 200-meter backstroke.  (Daniel Ochoa De Olza / Associated Press)

American Rebecca Soni reacts to her world record time of 2:20 in the women’s 200m breastroke semifinal.  (Robert Gauthier / Los Angeles Times)

Hungary’s Daniel Gyurta won the gold in the men’s 200-meter breaststroke.   (Mark Duncan / Associated Press)

U.S. swimmer Michael Phelps prepares for his heat of the men’s 200m individual medley. He finished second in the heat.  (Martin Bureau / AFP / Getty Images)