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

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 ...

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

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

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 highly anticipated races of the season, Summer McIntosh beat Katie Ledecky to claim the 400 free gold in ...

The American has owned the 800m freestyle for more than a decade, but the Canadian wunderkind is coming for her crown at the ...

Katie Ledecky became the first swimmer to earn seven world titles in one event with an epic win over Lani Pallister and ...

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

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

With the World Aquatics Championships approaching in just a few days, all eyes will be on Katie Ledecky, the most decorated ...