OMAHA, NE - JULY 02:  Katie Ledecky of the United States celebrates after finishing first in the final heat for the Women&amp;#39;s 800 Meter Freestyle during Day Seven of the 2016 U.S. Olympic Team Swimming Trials at CenturyLink Center on July 2, 2016 in Omaha, Nebraska.  (Photo by Tom Pennington/Getty Images)