400 metres hurdles - Wikipedia
Tokyo Olympics: Norway's Karsten Warholm smashes world record in race for the ages to win 400m hurdle race - India Today
McLaughlin sets the world record in the women's 400 hurdles
Rai Benjamin Takes Silver In Record-Breaking 400-Meter Hurdles Finish
Diane Hoffman, 91, Breaks 400-Meter World Record USATF New England
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
2019 World Athletics Championships – Men's 400 metres - Wikipedia
McLaughlin demolishes world record in 400-meter hurdles - The Hindu BusinessLine
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
Indian sprinter Muhammed Anas Yahiya breaks own national record in 400m - India Today
South Africa's Wayde van Niekerk breaks 400m world record - YouTube
Sato sets meet record in 400-meter race to capture second gold medal | The Japan Times
Usain Bolt: 400m (45.35) 2003 - YouTube
Norway's Warholm obliterates 400m hurdles world record at Olympics
400m Run Boys U-18 New Meet Record 32nd South Zone National Junior Athletics Championship 2021 - YouTube
Van Niekerk betters 400m world record
We've All Been Waiting For This... || The 400 Meter World Record - YouTube
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
Karsten Warholm Compared to Usain Bolt After World Record Olympic Race
Did Milkha Singh 'look back' during photo-finish 400m race at 1960 Rome Olympics? WATCH | Other Sports
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
Wayde Van Niekerk smashes 400m world record | Sports News,The Indian Express
