United States' Michael Phelps swims to set a new world record and winning the gold in the final of the men's 400-meter individual medley during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing.
United States' gold medal winner Michael Phelps, center, is flanked by Hungary's Laszlo Cseh, silver, and his compatriot bronze medal winner Ryan Lochte, right, during the medal ceremony for the men's 400-meter individual medley final during the swimming competitions in the National Aquatics Center.
United States' Michael Phelps celebrates winning the gold medal and setting a new world record in the men's 400-meter individual medley final during the swimming competitions in the National Aquatics Center at the Beijing 2008.
United States' Michael Phelps celebrates as the US win the gold in the men's 4x100-meter freestyle relay during the swimming competitions in the National Aquatics Center at the Beijing 2008.
United States' gold medal winner Michael Phelps steps onto the podium during the medal ceremony for the men's 200-meter freestyle final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics.
President Bush, and first lady Laura Bush pose for photos with gold medal and world record winner Michael Phelps, right, and bronze medalist Larsen Jensen after their swimming events at the 2008 Summer Olympic games in Beijing.
Phelps smiles after setting a new world record as he wins the gold medal in the men's 200-meter freestyle dinL during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing.
United States' Michael Phelps concentrates before setting a new world record and winning the gold in the final of the men's 400-meter individual medley during the swimming competitions in the National Aquatics Center at the Beijing 2008.
Michael Phelps of United States swims on his way to winning the gold medal by setting the world record in the men's 400-meter individual medley during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing.