Caeleb Dressel had already won gold medals in relay events on the Olympic stage. On Thursday in Tokyo, he took the top step of the podium on his own.
Dressel won gold in the 100m individual freestyle, setting a new Olympics record in the process. He finished with a time of 47.02, beating the previous time of 47.05.
Australia's Kyle Chalmers took silver, finishing just behind Dressel with a time of 47.08. Kliment Kolesnikov of Russia came in third at 47.44.
After keeping his focus leading up to and through the end of the race, Dressel's emotions came to the surface in his post-race interview.