Team USA capped off the 2025 swimming world championships by setting a new world record in the women's 4x100 medley on Sunday.

Regan Smith, Kate Douglass, Gretchen Walsh and Torri Huske clocked a world record 3:49.34 to end the meet. The victory gave the United States its ninth gold medal, edging Australia's eight for the most in Singapore. The U.S. also had 11 silver medals and nine bronze, giving it 29 total medals, well ahead of Australia's 20.

The United States set the world record in the women's 4x100 metres medley relay at the world championships in Singapore on Sunday. Regan Smith, Kate Douglass, Gretchen Walsh and Torri Huske's time of 3:49.