Summer McIntosh capped arguably the best world championships for a female swimmer, while the U.S. broke the women's 4x100m medley world record in the final event to finish with one more gold medal than rival Australia.

Summer McIntosh won her fourth gold medal of the World Aquatics Championships in Singapore with a dominant performance in the 400-meter individual medley.

The US topped the medal table as the women’s 4x100m medley relay team set a new world record on the final day of competition in Singapore