Americans Allison, Norman advance to 400m final with record-holder van Niekerk | Reuters
U.S. runner McLaughlin wins women's 400m hurdles with new world record at Tokyo Olympics - Xinhua | English.news.cn
World record-holder Van Niekerk leads 400m top class line-up | Madrid Athletics - Madrid Opening
400 Metres
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
Alison dos Santos upset Karsten Warholm in the 400-meter hurdles. - The New York Times
/cloudfront-us-east-2.images.arcpublishing.com/reuters/NTS6U3USSBIULPSIC6WG3TIB3E.jpg "American McLaughlin breaks women's 400m hurdles world record | Reuters")
American McLaughlin breaks women's 400m hurdles world record | Reuters
400 Metres Hurdles
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
jeffcohenphoto on Instagram: “400 meter hurdles World Record Holder, Sydney McLaughlin, Tokyo 2020 Olympics. . . . . . . #sydneymclaughlin #usatf #teamusa #400mhurdles…”
Sydney McLaughlin breaks world record in 400 hurdles at Olympic trials
USA's Sydney McLaughlin cruises into finals of women's 400m hurdles at world championships - The Boston Globe
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
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
Men's 400m world record holder Van Niekerk tests positive for coronavirus
Meet Sydney McLaughlin, the 400-m Hurdles World Record Holder | Time
/origin-imgresizer.eurosport.com/2019/12/23/2741957-56661150-2560-1440.jpg "Which Olympic athlete owns the most world records? - Eurosport")
Which Olympic athlete owns the most world records? - Eurosport
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Sydney McLaughlin shatters 400-meter hurdles world record - The Washington Post
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
U.S. Takes Gold And Silver In The Fastest Women's 400 Meter Hurdles Ever : Live Updates: The Tokyo Olympics : NPR
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
400 metres - Wikipedia
400 Metres
