Olympic bronze medalist Sam Watson broke his own world record in speed climbing twice on Saturday. Watson, 19, climbed a ...

American Katie Ledecky shattered her own 800 metres freestyle world record in 8 minutes 4.12 seconds at the Tyr Pro Series ...

Katie Ledecky and Gretchen Walsh broke their own world records on the last day of a Tyr Pro Series meet in Fort Lauderdale, ...

Gretchen Walsh shaved nine hundredths of a second off the previous record she set in June at the U.S. Olympic trials.

Ledecky lowered her previous record in one of her signature events as her impressive post-Paris results continue.

American swimming star Katie Ledecky claims her first world record in seven years with a dazzling performance in Florida.

Ledecky lowered her mark in the 800-meter freestyle and showed, at 28, that she isn’t even close to slowing down.

Katie Ledecky produced a scintillating swim to break yet another world record on Saturday, this time in the women’s 800m ...

Katie Ledecky broke her nine-year-old world record in the 800 meters to highlight Saturday's events at the Pro Swim Series ...

The American swimming star entered this week's Tyr Pro Swim Series meet already owning the world record with h er ...

There's about a three feet difference in size between the world's tallest and smallest dogs, according to Guinness World ...

A 15-year-old Nigerian has set a Guinness World Record for the world’s largest art canvas in a bid to raise awareness for ...