USA's Michael Phelps shows his medal for his part in the Men's 4x100M Medley, where the US team set a world record and won gold, at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 17, 2008. Phelps set the world record for medals in a single Olympics with 8, passing Mark Spitz. (UPI Photo/Roger L. Wollenberg)