Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Van Niekerk betters 400m world record
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
McLaughlin breaks own 400 meters hurdles record with 'Track Town, USA' magic | Reuters
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
400 Metres
Olympics | Van Niekerk breaks Michael Johnson's world record in 400
What We Can All Learn from Running Blind
American Sydney McLaughlin wipes out own world record to seize gold in women's 400m hurdles | CBC Sports
Mighty McLaughlin shatters 400 metres hurdles world record | Reuters
McLaughlin demolishes world record in 400-meter hurdles
Wayde van Niekerk wins gold, sets world record in 400m - Sports Illustrated
Canada's women run to national indoor record in 400m relay at world championships | CBC Sports
How Sydney McLaughlin Won Gold at the Tokyo Olympics - The New York Times
400 metres - Wikipedia
Sydney McLaughlin-Levrone eyes Marita Koch's 400-meter world record
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
Report: women's 400m - IAAF World Athletics Championships Doha 2019 | REPORT | World Athletics
Rio Highlights: Usain Bolt Defends Crown; S. African Sets World 400 Record : The Torch : NPR
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
Sydney McLaughlin Broke Her Own World Record. Again. - The New York Times
Men's 400m world record holder Van Niekerk tests positive for coronavirus
13-Year-Old 47s 400m WORLD RECORD! - YouTube
Van Niekerk shatters world record in 400 to win Olympic gold | The Seattle Times
