We've All Been Waiting For This... || The 400 Meter World Record - YouTube
400 metres - Wikipedia
Those 400 metres in Rome: Heartbreak that won fans over | Sports News,The Indian Express
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
McLaughlin obliterates world 400m hurdles record with 50.68 in Oregon | REPORT | World Athletics
McLaughlin edges Muhammad in battle of world-record hurdlers | AP News
Bolt Needs Little Urging to Crush His 200 World Record - The New York Times
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
Brilliant Van Niekerk smashes 400m world record | Reuters
Bolt - 100, 200 . . . 400m? | NEWS | World Athletics
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
Muhammed Anas betters own 400m Indian record in Czech Republic | More sports News - Times of India
Rio Replay: Men's 400m Sprint Final - YouTube
American Sydney McLaughlin wipes out own world record to seize gold in women's 400m hurdles | CBC Sports
Dalilah Muhammad Wins Gold - 400-Meter Hurdle Finals
: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
Mohammad Anas smashes 400m national record to qualify for World Championships | More sports News - Times of India
Diane Hoffman, 91, Breaks 400-Meter World Record USATF New England
Best race ever? Warholm wins record-setting hurdles race | AP News
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
Cats rearrange school record book in San Francisco and Palo Alto - Chico State Athletics
Van Niekerk betters 400m world record
Karsten Warholm and Rai Benjamin Both Broke a Record, But Only One Won Gold - The New York Times
U.S. Takes Gold And Silver In The Fastest Women's 400 Meter Hurdles Ever : Live Updates: The Tokyo Olympics : NPR
