Katie Ledecky of the United States reacts after winning the gold medal in the Women's 800m freestyle final at the FINA Swimming World Championships in Barcelona, Spain, Saturday, Aug. 3

 

              Katie Ledecky of the United States reacts after winning the gold medal in the Women
Katie Ledecky of the United States reacts after winning the gold medal in the Women's 800m freestyle final at the FINA Swimming World Championships in Barcelona, Spain, Saturday, Aug. 3, 2013. Ledecky won in a new world record time of 8:13.86. (AP Photo/Daniel Ochoa de Olza)