Sydney McLaughlin Beat Dalilah Muhammad, Set a New World Record and Won Gold - The New York Times
Sydney McLaughlin breaks her own 400-meter hurdles world record | CNN
Femke Bol breaks 41-year world record in the women's indoor 400 meters | CNN
We've All Been Waiting For This... || The 400 Meter World Record - YouTube
Men's 400m world record holder Van Niekerk tests positive for coronavirus
Karsten Warholm and Rai Benjamin Both Broke a Record, But Only One Won Gold - The New York Times
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Two Americans Broke the World Record in the 400 Hurdles. Only One Could Win Gold. - WSJ
Sydney McLaughlin Shatters 400m Hurdles World Record at 50.68 Seconds | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
: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 betters 400m world record
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Women's 400m World Record is 48.25 – Žiga P. Škraba
Femke Bol sets new indoor women's 400m world record with 49.26s - CGTN
Bol breaks world indoor 400m record with 49.26 in Apeldoorn | REPORT | World Athletics
Mohammad Anas smashes 400m national record to qualify for World Championships | More sports News - Times of India
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Wayde van Niekerk wins 400m heat to qualify for semi-finals at World Athletics Championships 2023
400 metres - Wikipedia
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
McLaughlin breaks own 400 meters hurdles record with 'Track Town, USA' magic | Reuters
Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
