Katie Ledecky has dominated the women's 800m freestyle for over a decade, but Canadian Summer McIntosh is on her tail, setting up a massive showdown.

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

Katie Ledecky extended her 15-year win streak in the 1500m freestyle and broke career medal ties with Michael Phelps and Ryan ...

The American has owned the 800 freestyle for more than a decade, but the Canadian wunderkind is coming for her crown.