Swimming butterfly in the third leg of the 4X100 United States Medley Relay Team, Michael Phelps won his eighth Gold Medal in the 2008 Summer Olympics in Beijing. The U.S. Team also included Aaron Peirsol (backstroke, 53.16), Brendan Hansen (breast stroke) and Jason Lezak (freestyle) won in a world record 3:29.34 — a world record.
Silver went to Australia and Bronze to Japan.