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

Katie Ledecky delivered another masterclass in distance swimming to collect her sixth world title in the 1,500 metres ...

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

Katie Ledecky remains a dominant force in competitive swimming. The Olympic swimmer, 28, won her seventh consecutive world ...

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

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

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

The Americans set a world relay record and piled up three gold medals in what's been an otherwise frustrating swimming world ...

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.

USA sets a world record in the 4×100 mixed relay, but the American star defeating Canada’s Summer McIntosh in a highly anticipated 800 free steals the show.

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