Swimming at the London 2012 Olympics (405 images)

Henrique Barbosa of Brazil swims his heat in the Men's 200M Breststoke at the London 2012 Summer Olympics on July 31, 2012 in Stratford, London. Barbosa's time of 2:12.05 did not qualify him for the semifinals. UPI/Brian Kersey

Cammile Adams of the United States gets ready to swim her heat in the Women's 200M Butterfly at the London 2012 Summer Olympics on July 31, 2012 in Stratford, London. Adams qualified for the semifinal with a time of 2:08:18 in her heat. UPI/Brian Kersey

Kathleen Hersey of the United States swims her heat in the Women's 200M Butterfly at the London 2012 Summer Olympics on July 31, 2012 in Stratford, London. Hersey's qualifying time of 2:06.41 led all swimmers in the event. UPI/Brian Kersey

Kathleen Hersey of the United States reacts after heat in the Women's 200M Butterfly at the London 2012 Summer Olympics on July 31, 2012 in Stratford, London. Hersey's qualifying time of 2:06.41 led all swimmers in the event. UPI/Brian Kersey