Katie Ledecky, a nine-time Olympic gold medalist, ‘can’t stop smiling’ after breaking the 800-meter freestyle world record ...

Katie Ledecky broke yet another world record on Saturday, this time in the women's 800m freestyle, lowering the mark she set ...

American swimmer Katie Ledecky broke her own 800-meter freestyle world record by swimming 8:04.12 at the Tyr Pro Series meet ...