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

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 ...

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.

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