Dutch runner Bol smashes her own indoor 400m world record | Reuters
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Wayde van Niekerk wins gold, sets world record in 400m - Sports Illustrated
Wayde van Niekerk wins 400m heat to qualify for semi-finals at World Athletics Championships 2023
Rai Benjamin Shocked by Hurdle Record, 2nd Place to Karsten Warholm
The men's 400 world record moves rarely, but it does move dramatically
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
400 metres - Wikipedia
Van Niekerk betters 400m world record
43.03 – The Fastest 400m in History – Žiga P. Škraba
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Track & Field Worlds 2022: Wayde van Niekerk, Kirani James and Michael Norman chasing 400m gold: Preview, schedule & how to watch
Canadian teen Morales Williams unfazed by world-record nullification, has high hopes for Olympics | CBC Sports
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
How van Niekerk broke the 400m world record
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Mohammad Anas smashes 400m national record to qualify for World Championships | More sports News - Times of India
/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
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
400 Metres
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
