World Championships: Sydney McLaughlin shatters her own world record in 400 hurdles
Wayde van Niekerk wants to become the first man to break 43 seconds in 400m | Watch Athletics
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
Brilliant Van Niekerk smashes 400m world record | Reuters.com
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Wayde van Niekerk breaks 400m world record to win gold - YouTube
400 Metres
Sydney McLaughlin sets new world record, dominates women's 400 hurdles at World Athletics Championships: Video highlights - oregonlive.com
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
McLaughlin breaks 400m hurdles world record - CNA
/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
Alison dos Santos upset Karsten Warholm in the 400-meter hurdles. - The New York Times
Men's 400m world record holder Van Niekerk tests positive for coronavirus
World championships 2017: Van Niekerk aiming to break 200m world record | CNN
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Sydney McLaughlin breaks her own world record in 400m hurdles at World Athletics Championships - CBSSports.com
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
How van Niekerk broke the 400m world record
World record holder Wayde van Niekerk turns back clock to make Track & Field Worlds 400m final
Sydney McLaughlin Breaks the 400-Meter Hurdles World Record—Again - WSJ
Athletics-Warholm destroys world record to win 400m hurdles gold | Reuters
Women's 400m Final | World Athletics Championships - YouTube
Sydney McLaughlin pushes boundaries with huge 400m hurdles world record | World Athletics Championships | The Guardian
