Van Niekerk shatters world record in 400 to win Olympic gold | The Seattle Times
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
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How van Niekerk broke the 400m world record
Tokyo Olympics Daily: Karsten Warholm wins greatest ever men's 400m hurdles
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Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
Olympics | Van Niekerk breaks Michael Johnson's world record in 400
Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
Report: women's 400m - IAAF World Athletics Championships Doha 2019 | REPORT | World Athletics
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Canada's women run to national indoor record in 400m relay at world championships | CBC Sports
Sydney McLaughlin-Levrone eyes Marita Koch's 400-meter world record
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
/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
Sydney McLaughlin-Levrone takes world lead in 400 meters
Wayde van Niekerk: The race for my 400m world record
How Sydney McLaughlin Won Gold at the Tokyo Olympics - The New York Times
Former Wildcat breaks world record in 400M hurdles
