American swimmer Caeleb Dressel won the gold medal in the 100-meter butterfly at the Olympic Games in Tokyo.

Dressel showed a time of 49.45 seconds, breaking his own world record (49.50), which he set in July 2019. The second place was taken by the Hungarian Kristof Milak (0.23 seconds behind); the bronze medalist was the Swiss Noe Ponti (+1.29).

Dressel became a five-time Olympic champion. At the Tokyo Olympics, the 24-year-old American won gold medals in the 4×100 m freestyle relay, and the 100 m crawl. He also won gold in the 4×100 m crawl relay and the 4×100 m combined relay at the 2016 Games.