Femke Bol breaks 41-year world record in the women's indoor 400 meters | CNN
The greatest race ever part II: Sydney McLaughlin wins 400m hurdles gold in world record time | Tokyo Olympic Games 2020 | The Guardian
Wayde van Niekerk: South African smashes 400-meter world record to take gold | CNN
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Sydney McLaughlin breaks her own world record in 400 hurdles - Los Angeles Times
Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
Alison dos Santos upset Karsten Warholm in the 400-meter hurdles. - The New York Times
McLaughlin sets the world record in the women's 400 hurdles
/cloudfront-us-east-2.images.arcpublishing.com/reuters/OPZ7WLYXJZLZXB5J4QJ7QVWWL4.jpg "Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters")
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
American Sydney McLaughlin wipes out own world record to seize gold in women's 400m hurdles | CBC Sports
Men's 400m world record holder Van Niekerk tests positive for coronavirus
:format(png)/cdn.vox-cdn.com/uploads/chorus_image/image/50388485/Screen_Shot_2016-08-14_at_9.02.30_PM.0.0.png "Olympics 2016 results: Wayde van Niekerk sets world record from lane 8 in men's 400m run - SBNation.com")
Olympics 2016 results: Wayde van Niekerk sets world record from lane 8 in men's 400m run - SBNation.com
Sydney McLaughlin breaks her own world record in 400m hurdles at World Athletics Championships - CBSSports.com
Dalilah Muhammad breaks through, sets world record in 400-meter hurdles - The Washington Post
We've All Been Waiting For This... || The 400 Meter World Record - YouTube
/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
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Breanna Clark breaks own world record to defend 400m Paralympic title - OlympicTalk | NBC Sports
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
