Summer McIntosh, the 18-year-old Canadian swimming star, rolled to victory Sunday in the women’s 400-meter individual medley, ...

Summer McIntosh won her fourth gold medal of the World Aquatics Championships in Singapore with a dominant performance in the ...

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 other events, Gretchen Walsh became the first American woman to win gold at the world championships in the 50m butterfly.

Léon Marchand has broken one world record already in the 200-meter individual medley. He’ll try for a second on Sunday in the ...

The Canadian star challenged the all-time mark in the women's 200-meter butterfly and continued her perfect string of races ...

Ledecky won with a time of 8:05.62, both a world championships record and the fourth fastest time in the history of the 800m ...

Summer McIntosh captured her fourth gold medal at the world swimming championships by winning the 400-meter individual medley ...

Canadian swim star Summer McIntosh won the women's 400-metre individual medley for her fourth gold medal of the world ...

The United States set the world record in the 4x100 freestyle mixed relay, clocking 3 minutes, 18.48 seconds in the swim ...

Summer McIntosh of Toronto logged a time of 4:35.56 and moves on to Sunday's 400-metre medley finals at the World Aquatics ...

Canadian star Summer McIntosh won the 200-meter butterfly on Thursday to claim her third gold medal in as many races at the ...