LONDON -- The U.S. women closed out a dominant performance in the pool Saturday at the Olympic Games as the American dominated the 400-meter medley relay with a world record time of in the pool Saturday with 3 minutes, 52:05 seconds.
Australia touched in 3:54.02 to take the silver medal and Japan finished in 3:55.73 to take bronze.
The U.S. women sliced .14 off the previous mark set by China at the 2009 world championships at the height of the high-tech bodysuit era.
The Americans led from the start with Missy Franklin leading off in the backstroke and Rebecca Soni taking over in the breaststroke. By the time Cal's Dana Vollmer touched the wall after the butterfly leg, the U.S. team ahead of world-record pace. The Allison Schmitt brought home the gold and record in the final 100-meter freestyle.
Franklin, Soni, Vollmer and Schmitt ended the Olympics having combined to win 12 gold medals.
The 17-year-old Franklin, who starts her senior year in high school in two weeks, finished the meet with four golds and a bronze, while Schmitt leaves with three golds, a silver and a bronze.