Rio 2016: Brilliant Wayde Van Niekerk smashes Michael Johnson's 400m world record - Rio Olympics 2016 (Australian Broadcasting Corporation)
2008 Olympic Champion LaShawn Merritt Returns To 400-Meter Podium, Earns Bronze
All Australia's medals won at the Rio 2016 Olympic Games | Daily Telegraph
Allyson Felix - Wikipedia
Report: men's 400m final – Rio 2016 Olympic Games| News
Olympic Track and Field 2016: Men's 400M Medal Winners, Times and Results | Bleacher Report | Latest News, Videos and Highlights
Wayde van Niekerk - Olympic 400m Champion | Real Life Stories
Report: men's 400m heats – Rio 2016 Olympic Games| News
Rio Olympics 2016: drama in 400m and David Rudisha wins 800m – day 10 as it happened | Sport | The Guardian
Olympic champion Wayde van Niekerk tests positive for coronavirus | The Independent | The Independent
Shaunae Miller dives to beat Allyson Felix in 400m final at Rio Olympics - CNN
Report: men's 400m semi-finals – Rio 2016 Olympic Games| News
Report: men's 400m semi-finals – Rio 2016 Olympic Games| News
Japan's 2016 Olympic Medal Winners (Photo Gallery) | Nippon.com
Nirmala Sheoran Profile: Nirmala Sheoran Biography, Stats, Athlete, Women 400 metres
Olympic Track and Field 2016: Men's 1,500M Medal Winners, Times and Results | Bleacher Report | Latest News, Videos and Highlights
Athletics at the 2016 Summer Olympics – Women's 400 metres hurdles - Wikipedia
/cdn.vox-cdn.com/uploads/chorus_image/image/50436677/usa-today-9473048.0.jpg "Rio 2016: United States' Kerron Clement wins gold in men's 400m hurdles - SBNation.com")
Rio 2016: United States' Kerron Clement wins gold in men's 400m hurdles - SBNation.com
SportsCenter on Twitter | Allyson felix, Track and field athlete, Olympic medals
EWNSPORTINGMOMENTS: How Wayde van Niekerk shook the world
Shaunae Miller's dive denies Allyson Felix 400m gold in dramatic final | Sport | The Guardian
Rio Olympics 2016: Wayde van Niekerk breaks world record to win Olympic gold - BBC Sport
How Twitter reacted to Van Niekerk's GOLD | TeamSA
Rio 2016: Brilliant Wayde Van Niekerk smashes Michael Johnson's 400m world record - Rio Olympics 2016 (Australian Broadcasting Corporation)
Wayde van Niekerk breaks world 400m record for Olympic gold - AW
