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

Katie Ledecky has dominated the women's 800-meter freestyle for more than a decade, winning gold in the event in four ...

Canadian swimming phenom Summer McIntosh was unable to beat American star Katie Ledecky in the women's 800-metre freestyle at ...

Australian Kaylee McKeown and American Regan Smith went one-two in the 200m backstroke, just as they did in all three ...

American Katie Ledecky continued domination of the women's 800 meters freestyle with a brilliant swim to win gold.

Ledecky held off Lani Pallister and Summer McIntosh in a tight race Saturday to win gold and extend her reign in the ...

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 ...

American star Katie Ledecky won her seventh world title in the women’s 800-meter freestyle on Saturday, fending off the ...

In one of the most consequential non-Olympic races in years, all-time swimming great Katie Ledecky could face an ...

Canada's Summer McIntosh and American Katie Ledecky will square off in the women's 400 and 800-metre freestyle events at the ...

Summer McIntosh's goal at the world championships was 5 gold in 5 races, but it was not to be for the 18-year-old phenom.

Ledecky, the most decorated female swimmer ever, and McIntosh, an 18-year-old Canadian quickly rising up the all-time ranks, ...