Michael Phelps of the United States begins his leg of the Men's 4 X 200M Freestyle Relay Final at the London 2012 Summer Olympics on July 31, 2012 in Stratford, London. The United States team of Conor Dwyer, Michael Phelps, Ricky Berens and Ryan Lochte won the Gold Medal with a time of 6:59.70 in the final. UPI/Brian Kersey