McIntosh is aiming to win five gold medals in individual events at the worlds in Singapore, and the first one came Sunday in the 400-meter freestyle on the first of eight days in the pool. Only legendary American Michael Phelps has ever won five individual medals in the worlds. He also did it at the Olympics.

Canadian swimmer Summer McIntosh wins her second title at the world championships in Singapore, prevailing in the women's 200-metre individual medley. Meanwhile, Gretchen Walsh nearly set a world record in the 100 butterfly,