Video PlayerClose

Gold medalist Katie Ledecky of the United States competes during the women's 800m freestyle final at FINA World Championships in Gwangju, South Korea, on July 27, 2019. (Xinhua/Bai Xuefei)

Gold medalist Katie Ledecky of the United States competes during the women's 800m freestyle final at FINA World Championships in Gwangju, South Korea, on July 27, 2019. (Xinhua/Bai Xuefei)