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.

Sydney McLaughlin-Levrone of the United States missed the almost 40-year-old 400 metres world record by less than two-tenth for gold in a world championship final for the ages on Thursday.

AMSTERDAM (AP) — Dutch track star Femke Bol, the reigning two-time 400-meter hurdles world champion, has announced she will switch events to compete in the 800 meters. The 25-year-old Bol has won two ...

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EUGENE, Ore. (AP) — Sydney McLaughlin-Levrone won her second U.S. title in the 400-meter flat Saturday, running the oval in 48.90 seconds to secure a spot in the race at world championships later this ...

US track star Sydney McLaughlin-Levrone ran the second fastest time ever to win a stunning gold in the women's 400 metres at the world championships on Thursday. The 26-year-old American clocked ...