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

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

Brothers Mohammed VI, Oumar, Elhadji, and Bah and their sisters, Kadidia, Fatouma, Hawa, Adama and Oumou celebrated their ...

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

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

A Long Island indoor go-kart facility was put in the Guinness Book of World Records on Tuesday for boasting the largest track ...

The Olympic medalist from Stoughton shattered the previous record of 1,001 backflips for the most backflips in 24 hours.

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

Ledecky shaved 0.67 seconds off her own world record, set in Rio in 2016, to cap off a stellar week in Fort Lauderdale.

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