Katie Ledecky sets world record in 800-meter freestyle

Katie Ledecky breaks her own world record in 400-meter freestyle - Rio Olympics 2016

Katie Ledecky Three Peats And Wins Olympic Gold Again In 800

Katie Ledecky sets new 800m freestyle world record

Katie Ledecky wins third straight Olympic gold in 800m freestyle

Katie Ledecky wins third straight Olympic gold in 800m freestyle

Rio 2016: America's Katie Ledecky wins fourth gold in 800m freestyle

Rio 2016: America's Katie Ledecky wins fourth gold in 800m freestyle

Rio Olympics: Ryan Murphy snags gold, sets record in 100-meter backstroke

Rio Olympics: Lilly King grabs gold, sets record in 100-meter breaststroke

Rio 2016: US swimmer Ledecky wins 400m freestyle, US clinches men's 4x100m freestyle relay

Katie Ledecky sets the gold standard every time she swims even when she

Katie Ledecky & Ella Eastin Talk Record Breaking 800 Free Relay

Katie Ledecky on historic run in 2020 Olympic Games

Katie Ledecky Hangs Olympic Medals on Bryce Harper

Katie Ledecky on historic run in 2020 Olympic Games

USA Swimmer Katie Ledecky Wins Again in Olympics

Watch Olympic swimmer Katie Ledecky swim the entire length of a pool with a glass on her head

The #1 Food to Eat Before Working Out, According Olympic Gold Medalist Katie Ledecky

Katie Ledecky on historic run in 2020 Olympic Games

Katie Ledecky on STEM and training for the Olympics in her living room