Katie Ledecky - swimming Katie Ledecky won the Olympic gold medal in women 's 800 freestyle Aug. 3 .
Katie Ledecky - swimming Katie Ledecky is a U.S. swimmer from Maryland who says she always prays the Hail Mary before races .
Katie Ledecky - swimming Katie Ledecky , a U.S. swimmer from Maryland who says she always prays the Hail Mary before races , won the Olympic gold medal in women 's 800 freestyle Aug. 3 .