Olympic champion Muhammad smashes women's 400m hurdles world record - Sports - The Jakarta Post
Sydney McLaughlin wins gold with world record in 400 hurdles - Los Angeles Times
The men's 400 world record moves rarely, but it does move dramatically
Norway's Warholm breaks 400 metres hurdles world record | Reuters
Niekerk breaks 400m world record || Niekerk breaks 400m world record
Niekerk shatters world record in 400m to win gold
Wayde van Niekerk: South African smashes 400-meter world record to take gold | CNN
400 METER WORLD RECORD || WHO WILL BREAK IT? - YouTube
South Africa's Wayde van Niekerk Sets World Record in the 400 - WSJ
Women's 400m World Record is 48.25 – Žiga P. Škraba
: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
Sydney McLaughlin Beat Dalilah Muhammad, Set a New World Record and Won Gold - The New York Times
Karsten Warholm Sets World Record in 400-Meter Hurdles - The New York Times
Sydney McLaughlin Shatters 400m Hurdles World Record at 50.68 Seconds | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
Sydney McLaughlin Breaks the 400-Meter Hurdles World Record—Again - WSJ
Warholm sets new world record of 46.70s in men's 400m hurdles with stunning Oslo run
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
Karsten Warholm breaks own world record in 400-meter hurdles (Video)
400 metres - Wikipedia
How The Legend Of Milkha Singh Was Born: A Look At The Races That Gave India Its Athletics Great
Diane Hoffman, 91, Breaks 400-Meter World Record USATF New England
Sydney McLaughlin Breaks Her Own 400-Meter Hurdles World Record - The Seattle Medium
