Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
We've All Been Waiting For This... || The 400 Meter World Record - YouTube
Karsten Warholm Compared to Usain Bolt After World Record Olympic Race
Wayde Van Niekerk smashes 400m world record | Sports News,The Indian Express
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Usain Bolt: 400m (45.35) 2003 - YouTube
Van Rhijn smashes 400m world record in Nottwil
400m Run Boys U-18 New Meet Record 32nd South Zone National Junior Athletics Championship 2021 - YouTube
Olympics 2016 results: Wayde van Niekerk sets world record from lane 8 in men's 400m run - SBNation.com
Did Milkha Singh 'look back' during photo-finish 400m race at 1960 Rome Olympics? WATCH | Other Sports
McLaughlin demolishes world record in 400-meter hurdles - The Hindu BusinessLine
Tokyo Olympics: Norway's Karsten Warholm smashes world record in race for the ages to win 400m hurdle race - India Today
South Africa's Wayde van Niekerk breaks 400m world record - YouTube
2019 World Athletics Championships – Men's 400 metres - Wikipedia
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
McLaughlin sets the world record in the women's 400 hurdles
Norway's Warholm obliterates 400m hurdles world record at Olympics
Niekerk breaks 400m world record || Niekerk breaks 400m world record
Van Niekerk betters 400m world record
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
400 metres at the Olympics - Wikipedia
Sydney McLaughlin does it again, breaks own world record in 400m hurdles | KRON4
The greatest race ever part II: Sydney McLaughlin wins 400m hurdles gold in world record time | Tokyo Olympic Games 2020 | The Guardian
Indian sprinter Muhammed Anas Yahiya breaks own national record in 400m - India Today
The 400 Meter WORLD RECORD || WAYDE VAN NIEKERK'S Plan for 2021 - YouTube
Rai Benjamin Takes Silver In Record-Breaking 400-Meter Hurdles Finish
Brilliant Van Niekerk smashes 400m world record | Reuters
