Katie Ledecky

Wins multiple medals at the World Aquatics Championships in Doha.

Dominates the distance events at the World Aquatics Championships in Fukuoka.

Wins two gold and two silver medals at the Tokyo Olympics.

Graduates from Stanford University with a degree in Psychology.

Turns professional swimmer after deferring her studies.

Wins four gold medals and one silver medal at the Rio Olympics.

Breaks her own world record in the 800m freestyle.

Enrolls at Stanford University and joins the swim team.

Breaks the world record in the 1500m freestyle.

Wins five gold medals at the World Championships in Kazan.

Breaks the world record in the 400m freestyle.

Wins multiple gold medals at the Pan Pacific Championships.

Wins gold medals in the 400m, 800m, and 1500m freestyle at the World Championships.

Wins gold medal in the 800m freestyle at the London Olympics.

Starts competitive swimming at the age of six.

Born in Washington, D.C.