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

Ledecky, trailing McIntosh at the 700-meter mark, surged ahead on the final lap, fending off a hard-charging Pallister as ...

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

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

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

Katie Ledecky has ceded a tiny bit of ground in other events, but she’s still unbeatable in the 1,500-meter freestyle.

American swimming star Katie Ledecky won yet another 1,500-meter freestyle world title in Singapore, her sixth victory in the ...

Katie Ledecky continued her dominance in the 800m freestyle event at the world championships on Saturday by winning her ...

Katie Ledecky extended her 15-year win streak in the 1500m, earning her 6th world title and 22nd gold. But her rivals are ...

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