Shanghai: Dana Vollmer has given the United States its first gold medal in pool swimming at the world championships, catching Australia`s Alicia Coutts in the final 20 meters to win the 100-meter butterfly.
Vollmer finished in 56.87 seconds. Coutts, who was nearly a half-second under the world record after 50 meters, finished second in 56.94. China`s Lu Ying earned bronze in 57.06
The world record is held by Monday`s fourth-place finisher, Sarah Sjoestroem of Sweden. It was one of 43 world marks set at Rome in 2009 before high-tech body suits were banned at the beginning of 2010.