Van Niekerk betters 400m world record
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Sydney McLaughlin, U.S. women set 4×400-meter relay record at World Championships – Orange County Register
Those 400 metres in Rome: Heartbreak that won fans over | Sports News,The Indian Express
McLaughlin edges Muhammad in battle of world-record hurdlers | AP News
Dalilah Muhammad Breaks Her Own World Record in the 400-Meter Hurdles - The New York Times
Michael Norman and Sydney McLaughlin star at world track meet - Los Angeles Times
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Texas Relays notebook: Longhorns set meet record in 400-meter relay
Best race ever? Warholm wins record-setting hurdles race | AP News
Diane Hoffman, 91, Breaks 400-Meter World Record USATF New England
Sydney McLaughlin Shatters 400 Hurdles Record With 50.68 - Bloomberg
We've All Been Waiting For This... || The 400 Meter World Record - YouTube
Muhammed Anas betters own 400m Indian record in Czech Republic | More sports News - Times of India
McLaughlin demolishes world record in 400-meter hurdles
Bolt Needs Little Urging to Crush His 200 World Record - The New York Times
McLaughlin breaks own 400 meters hurdles record with 'Track Town, USA' magic | Reuters
Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
400 metres - Wikipedia
Rio Replay: Men's 400m Sprint Final - YouTube
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
Sydney McLaughlin obliterates her own world record in 400-meter hurdles - The Boston Globe
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
American Sydney McLaughlin wipes out own world record to seize gold in women's 400m hurdles | CBC Sports
: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
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
McLaughlin obliterates world 400m hurdles record with 50.68 in Oregon | REPORT | World Athletics
