PHOTO GALLERY: Wednesday at the London Olympics

United States' Nathan Adrian, left, celebrates winning ahead of Australia's James Magnussen in the men's 100-meter freestyle swimming final Wednesday at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London.   |  Mark J. Terrill/The Associated Press

Kristin Armstrong of the United States passes through the gates at Hampton Court Palace on her way to winning the gold medal Wednesday in the Women's Olympic Cycling Time Trial in London.   |  Frank Gunn/The Canadian Press via The Associated Press

Serena Williams of the United States reacts during her match Wednesday against Vera Zvonareva of Russia at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics.   |  Elise Amendola/The Associated Press

U.S. coach Yin Alvarez, left, applauds team gymnast Danell Leyva, right, for winning the bronze medal during the artistic gymnastics men's individual all-around competition Wednesday at the 2012 Summer Olympics in London.   |  Julie Jacobson/The Associated Press