PALO ALTO, CA - JANUARY 28: Katie Ledecky of the Stanford Cardinal dives in to swim a leg of the 400 Freestyle Relay event of an NCAA PAC-12 Women's swim meet against the USC Trojans on January 28, 2017 at the Avery Aquatic Center of Stanford University in Palo Alto, California. Visible in lane below Ledecky is Simone Manuel having just swum the lead off leg of the relay. (Photo by David Madison/Getty Images)
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