The United States, which had a frustrating swim world championships, ended on a high note Sunday with a world record in the women’s 4x100 medley in the last event of the eight-day championships.

The U.S. women's 4x100 medley relay team of Gretchen Walsh, Regan Smith, Kate Douglas and Torri Huske set a world record at the swimming world championships, while Summer McIntosh and Leon Marchand both picked up another gold.

The United States set the world record in the women's 4x100 metres medley relay at the world championships in Singapore on Sunday.