Katie Ledecky, pictured here at U.S. Olympic swimming trials in June, competes in the 400m free finals on Sunday.
Katie Ledecky, pictured here at U.S. Olympic swimming trials in June, competes in the 400m free finals on Sunday. Mark J. Terrill AP
Katie Ledecky, pictured here at U.S. Olympic swimming trials in June, competes in the 400m free finals on Sunday. Mark J. Terrill AP