Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Rio Replay: Men's 400m Sprint Final - YouTube
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
Track & Field Worlds 2022: Wayde van Niekerk, Kirani James and Michael Norman chasing 400m gold: Preview, schedule & how to watch
Athletics-Warholm destroys world record to win 400m hurdles gold | Reuters
Van Niekerk betters 400m world record
WATCH: Karsten Warholm shatters world record in men's 400-meter hurdles win at Tokyo Olympics, celebrates by ripping shirt – The Denver Post
Seven more world records go on epic day of athletics
Athletics-Gold for De Grasse, another huge 400m hurdles record | Reuters
:format(png)/cdn.vox-cdn.com/uploads/chorus_image/image/50388485/Screen_Shot_2016-08-14_at_9.02.30_PM.0.0.png "Olympics 2016 results: Wayde van Niekerk sets world record from lane 8 in men's 400m run - SBNation.com")
Olympics 2016 results: Wayde van Niekerk sets world record from lane 8 in men's 400m run - SBNation.com
Norway's Karsten Warholm breaks world record in men's 400m hurdles
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Van Niekerk smashes 400m World Record to claim Olympic title
Norway's Warholm breaks 400 metres hurdles world record | Reuters
Karsten Warholm: Norwegian breaks men's 400m hurdles world record | CNN
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Norway's Karsten Warholm obliterates own world record in thrilling 400m hurdles final | CBC Sports
Karsten Warholm Sets World Record in 400-Meter Hurdles - The New York Times
Tokyo Olympics Daily: Karsten Warholm wins greatest ever men's 400m hurdles | Financial Times
Jamaica Break Men's 4x100m World Record - London 2012 Olympics - YouTube
South Africa's Wayde van Niekerk Sets World Record in the 400 - WSJ
Men's 400m world record holder Van Niekerk tests positive for coronavirus
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
