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

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

Katie Ledecky remains unbeaten in the 800 freestyle, while the Americans set a world relay record and piled up three gold ...

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

The epic battle was one of the greatest races in history. In the end, the 28-year-old American captured her seventh world championship in the event.

Ledecky won the 800 meters on Saturday at the World Aquatics Championships in Singapore, fending off challenges from ...

Katie Ledecky won the 800 meter freestyle at the World Aquatics swimming world championships on Saturday in a truly epic race.

Katie Ledecky stubbornly refused to give up her 800-meter freestyle crown Saturday at the world championships in Singapore, ...

SINGAPORE — Canada's Summer McIntosh took the bronze medal in the 800-metre freestyle at the world swim championship in a ...