Sydney McLaughlin breaks world record in 400 hurdles at Olympic trials
400 Metres
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
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Which Olympic athlete owns the most world records? - Eurosport
U.S. runner McLaughlin wins women's 400m hurdles with new world record at Tokyo Olympics - Xinhua | English.news.cn
Track's Most Resilient (and Suspect) Record Is in Danger - The New York Times
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
Alison dos Santos upset Karsten Warholm in the 400-meter hurdles. - The New York Times
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Unreal' - Sydney McLaughlin again breaks own world record in winning first 400m hurdles title at world championships
Sydney McLaughlin shatters 400-meter hurdles world record - The Boston Globe
World record-holder Van Niekerk leads 400m top class line-up | Madrid Athletics - Madrid Opening
400 metres - Wikipedia
Still Standing | Michael Phelps' stunning 400m Individual Medley World Record
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Meet Sydney McLaughlin, the 400-m Hurdles World Record Holder | Time
Rio Replay: Men's 400m Sprint Final - YouTube
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Men's 400m world record holder Van Niekerk tests positive for coronavirus
U.S. Takes Gold And Silver In The Fastest Women's 400 Meter Hurdles Ever : Live Updates: The Tokyo Olympics : NPR
Americans Allison, Norman advance to 400m final with record-holder van Niekerk | Reuters
