swimswam.com

ba60 TIL of Katinka Hosszu, a Hungarian swimmer who failed to medal at her first two Olympics, got fourth in her third Olympics, and finally at her fourth Olympics won three gold medals
pKw8 TIL of Santo Condorelli, a Canadian swimmer, who gives his dad the middle finger before every race he participates in.
QbkM TIL that Mark Spitz, nine time olympic champion, jokingly told the Russian swim team coach in 1972 that his moustache increased his speed in the water, deflecting water away from his mouth. The next year, every Russian swimmer was sporting one.