Norway's Karsten Warholm was stunned to learn he broke his own world record in the men's 400-meter hurdles.

The World Track and Field Championships saw Sydney McLaughlin-Levrone set a new American record in the 400-meter in the semifinals. Here's what to know.

TOKYO -- Sha'Carri Richardson saved the day in her relay. Noah Lyles and Sydney McLaughlin-Levrone put exclamation points on theirs. The best of the United States splashed through the rainy relays ...

RIO DE JANEIRO -- Katie Ledecky set an Olympic record Sunday in her preliminary heat of the women's 400-meter freestyle, falling 0.34 seconds shy of her own world record with a time of 3:58.71.

Quincy Wilson, a former Great Bridge Middle student who has committed to run in college for Maryland, blazed to a victory ...