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Swimming Day Thirteen - 14th FINA World Championships

SHANGHAI, CHINA - JULY 28: Natalie Coughlin of the United States competes in heat nine of the Women's 100m Freestyle heats during Day Thirteen of the 14th FINA World Championships at the Oriental Sports Center on July 28, 2011 in Shanghai, China. (Photo by Adam Pretty/Getty Images)

U.S. swim star Natalie Coughlin

Eleven-time Olympic medalist Natalie Coughlin wants gold in London.