Norway's Karsten Warholm sets new 400m hurdles world record
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Karsten Warholm Sets World Record in 400-Meter Hurdles - The New York Times
Athletics-Warholm destroys world record to win 400m hurdles gold | Reuters
Tokyo Olympics Daily: Karsten Warholm wins greatest ever men's 400m hurdles | Financial Times
South Africa's Wayde van Niekerk Sets World Record in the 400 - WSJ
Jamaica Break Men's 4x100m World Record - London 2012 Olympics - YouTube
Karsten Warholm: Norwegian breaks men's 400m hurdles world record | CNN
Alison dos Santos upset Karsten Warholm in the 400-meter hurdles. - The New York Times
Seven more world records go on epic day of athletics
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Athletics-Gold for De Grasse, another huge 400m hurdles record | Reuters
Karsten Warholm: Norwegian breaks men's 400m hurdles world record | CNN
Wayde van Niekerk breaks 400m world record to win gold - YouTube
Brilliant Van Niekerk smashes 400m world record | Reuters.com
Rio Replay: Men's 400m Sprint Final - YouTube
Norway's Karsten Warholm obliterates own world record in thrilling 400m hurdles final | CBC Sports
Norway's Karsten Warholm breaks world record in men's 400m hurdles
WCH Oregon22 preview: 400m hurdles | PREVIEW | WCH 22 | World Athletics
Report: men's 400m - IAAF World Athletics Championships Doha 2019 | REPORT | World Athletics
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
Burrell breaks world U20 400m hurdles record in Eugene | REPORT | World Athletics
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Karsten Warholm: Norwegian breaks men's 400m hurdles world record | CNN
