2015-08-02, Kazan, Russia. The 16th FINA Aquatics World Championships. The first day of swimming competition. Katie Ledecky of Team USA in the finals of 400m freestyle. She wins the race and set a championship record of 3:59.13.
2015-08-02, Kazan, Russia. The 16th FINA Aquatics World Championships. The first day of swimming competition. Members of Team USA cheering for Katie Ledecky in the finals of 400m freestyle. She wins the race and set a championship record of 3:59.13.
