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.

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

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

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

U.S. swimmer wins her record seventh straight world championship in the event by holding off the 18-year-old Canadian star.

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

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