Sydney McLaughlin Breaks Her Own 400-Meter Hurdles World Record - The Seattle Medium
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
South Africa's Wayde van Niekerk Breaks Olympics 400m World Record - Face2Face Africa
Breanna Clark breaks own world record to defend 400m Paralympic title - OlympicTalk | NBC Sports
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
Sydney McLaughlin does it again, breaks own world record in 400m hurdles | KRON4
McLaughlin sets new world record in 400M hurdles, books spot on Team USA
: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
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
The greatest race ever part II: Sydney McLaughlin wins 400m hurdles gold in world record time | Tokyo Olympic Games 2020 | The Guardian
Karsten Warholm Sets World Record in 400-Meter Hurdles - The New York Times
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Report: women's 400m - IAAF World Athletics Championships Doha 2019 | REPORT | World Athletics
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
McLaughlin smashes world record as Miller-Uibo, Norman win 400m golds | Reuters
Wayde van Niekerk Runs 43.03, Breaks 400m World Record! - FloTrack
Wayde van Niekerk breaks world 400m record for Olympic gold - AW
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Wayde van Niekerk wins gold, sets world record in 400m - Sports Illustrated
Sydney McLaughlin breaks her own world record in 400m hurdles at World Athletics Championships - CBSSports.com
Wayde van Niekerk breaks 400m world record to win gold - YouTube
