Caeleb Dressel set the world record in the 100m freestyle at the 2019 World Championships in Gwangju, South Korea, with a time of 46.96 seconds.

The United States has won the most gold medals in swimming at the Olympic Games, with a total of 534 medals.

Katie Ledecky was 15 years old when she won her first Olympic gold medal at the 2012 London Games.

Michael Phelps has won the most Olympic gold medals, with a total of 28 medals.

The world record for the fastest 4x100m freestyle relay is 3:08.24, set by the United States team at the 2016 Rio Olympics.

Kristof Milak set the world record in the 200m butterfly at the 2019 World Championships in Gwangju, South Korea, with a time of 1:50.73.

Dara Torres was 41 years old when she won her final Olympic gold medal at the 2008 Beijing Games.

The United States has hosted the most Olympic swimming competitions, with a total of four Games (1904, 1932, 1984, and 1996).

The world record for the fastest 100m backstroke swim is 51.85, set by Ryan Murphy at the 2016 Rio Olympics.

Ippei Watanabe set the world record in the 200m breaststroke at the 2021 Tokyo Olympics, with a time of 2:06.12.

Michael Phelps is the only swimmer to have won gold medals in all four individual swimming events at a single Olympic Games, which he accomplished at the 2008 Beijing Games.

The United States has won the most medals in swimming at the World Championships, with a total of 1,054 medals.

The world record for the fastest 4x200m freestyle relay is 6:58.55, set by the United States team at the 2019 World Championships in Gwangju, South Korea.

Caeleb Dressel set the world record in the 50m butterfly at the 2019 World Championships in Gwangju, South Korea, with a time of 22.35 seconds.

Michael Phelps is the only swimmer to have won three consecutive Olympic gold medals in the same individual swimming event, which he accomplished in the 200m butterfly from 2004 to 2012.