Karsten Warholm smashes 400m hurdles world record, wins gold in Tokyo - Canadian Running Magazine
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Athletics-Dutch runner Bol smashes her own indoor 400m world record | SaltWire
/origin-imgresizer.eurosport.com/2023/08/22/3767967-76649268-2560-1440.jpg "World Athletics Championships live - Hudson-Smith breaks European record in 400m semi-final - Eurosport")
World Athletics Championships live - Hudson-Smith breaks European record in 400m semi-final - Eurosport
The World's Fastest (Old) Man - The New York Times
Sydney McLaughlin-Levrone eyes Marita Koch's 400-meter world record
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
/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
Wayde van Niekerk wins 400m heat to qualify for semi-finals at World Athletics Championships 2023
400 Metres
43.03 – The Fastest 400m in History – Žiga P. Škraba
Wayde van Niekerk - Wikipedia
Women's 400m World Record is 48.25 – Žiga P. Škraba
Dutch runner Bol breaks 400m indoor world record
Van Niekerk fails to roll back the years with last-place finish at World Champs 400m final | Sport
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
Has any Olympic runner ever medaled in the 100m/200m/and 400 m? - Quora
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Rai Benjamin Shocked by Hurdle Record, 2nd Place to Karsten Warholm
Men's 400m world record holder Van Niekerk tests positive for coronavirus
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
The 400 Meter WORLD RECORD || WAYDE VAN NIEKERK'S Plan for 2021 - YouTube
