Norway's Warholm breaks 29-year-old 400m hurdles world record - CGTN
Van Niekerk betters 400m world record
400 Metres
Women's 400m World Record is 48.25 – Žiga P. Škraba
Tokyo Olympics Daily: Karsten Warholm wins greatest ever men's 400m hurdles
Rai Benjamin Shocked by Hurdle Record, 2nd Place to Karsten Warholm
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World Athletics Championships live - Hudson-Smith breaks European record in 400m semi-final - Eurosport
Dutch runner Femke Bol breaks own 400m indoor world record
How van Niekerk broke the 400m world record
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Men's 400m world record holder Van Niekerk tests positive for coronavirus
Dutch runner Bol breaks 400m indoor world record
The 400 Meter WORLD RECORD || WAYDE VAN NIEKERK'S Plan for 2021 - YouTube
Wayde van Niekerk wins 400m heat to qualify for semi-finals at World Athletics Championships 2023
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Van Niekerk smashes world record to grab Olympic 400m glory - Olympic News
Wayde van Niekerk wins gold, sets world record in 400m - Sports Illustrated
Mohammad Anas smashes 400m national record to qualify for World Championships | More sports News - Times of India
Track & Field Worlds 2022: Wayde van Niekerk, Kirani James and Michael Norman chasing 400m gold: Preview, schedule & how to watch
400 metres - Wikipedia
Sydney McLaughlin-Levrone eyes Marita Koch's 400-meter world record
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Rio 2016 | The Guardian
Van Niekerk fails to roll back the years with last-place finish at World Champs 400m final | Sport
Record-holder Van Niekerk eases through 400m heat, U.S. trio advance | Reuters
The men's 400 world record moves rarely, but it does move dramatically
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
