We've All Been Waiting For This... || The 400 Meter World Record - YouTube
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
Sydney McLaughlin-Levrone takes world lead in 400 meters
Rio Highlights: Usain Bolt Defends Crown; S. African Sets World 400 Record : The Torch : NPR
Wayde van Niekerk wins gold, sets world record in 400m - Sports Illustrated
Van Niekerk shatters world record in 400 to win Olympic gold | The Seattle Times
Former Wildcat breaks world record in 400M hurdles
400 Metres
/cloudfront-us-east-2.images.arcpublishing.com/reuters/NM34TXQQRZMBRIIOYBXJKS2PTM.jpg "Norway's Warholm breaks 400 metres hurdles world record | Reuters")
Norway's Warholm breaks 400 metres hurdles world record | Reuters
400 Metres
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Van Niekerk betters 400m world record
How van Niekerk broke the 400m world record
Mighty McLaughlin shatters 400 metres hurdles world record | Reuters
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Sydney McLaughlin-Levrone eyes Marita Koch's 400-meter world record
Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Olympics | Van Niekerk breaks Michael Johnson's world record in 400
McLaughlin demolishes world record in 400-meter hurdles
Tokyo Olympics Daily: Karsten Warholm wins greatest ever men's 400m hurdles
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
How Sydney McLaughlin Won Gold at the Tokyo Olympics - The New York Times
