Two Olympic champions amongst four Russians accused of doping - Sportstar
US and Olympic champion Jeremy Wariner winning the 400m at the Stock Photo - Alamy
Olympic 400m champion Van Niekerk tests positive for COVID-19 - SHINE News
Shaunae Miller is the women's 400m Olympic Champion - YouTube
400m women - Olympic Athletics
Wayde van Niekerk wants to become the first man to break 43 seconds in 400m | Watch Athletics
400 metres at the Olympics - Wikipedia
Report: women's 400m semi-finals – Rio 2016 Olympic Games| News
Wayde van Niekerk: 'Positive' 400m world record-holder welcomes Olympic postponement - BBC Sport
2012 Olympic champion among new quartet facing doping charges · The42
400m Olympic champion Sonya Richards-Ross. (ATR / Panasonic Lumix) Add Around The Rings on www.Twitter.com/AroundTheRin… (With images) | Olympic champion, Olympic games, Olympics
Olympic champ Wayde van Niekerk back running, hopes to defend title in Tokyo | CBC Sports
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Sport | The Guardian
Wayde van Niekerk: Olympic champion wants 'untouchable' 400m legacy - Famous Times
Olympic Track and Field 2016: Men's 400M Medal Winners, Times and Results | Bleacher Report | Latest News, Videos and Highlights
Olympic sprinter Michael Johnson sufferers ministroke
400 Metres
Reigning 400m Olympic champion Van Niekerk tests positive for coronavirus- The New Indian Express
Men's 400m world record holder Wayde van Niekerk has COVID-19 | Buzz
2008 Olympic Champion LaShawn Merritt Returns To 400-Meter Podium, Earns Bronze
Olympic champion Wayde van Niekerk tests positive for coronavirus | The Independent | The Independent
Olympic 400m champion LaShawn Merritt banned for 21 months | Athletics News | ESPN.co.uk
