IE 11 is not supported. For an optimal experience visit our site on another browser.

Swimmer Katie Ledecky hopes to dominate at Tokyo Olympics

02:25

She’s already won five Olympic gold medals, and Katie Ledecky will almost certainly add to that total in Tokyo. She graduated from Stanford University this year and while she missed the ceremony, she celebrated poolside at Olympic trials. NBC Sports’ Mike Tirico spoke to Ledecky about the secrets to her success.