Fastest 400-Meter Dash While Wearing Crocs: Niklas Klei Sets World Record
Karsten Warholm smashes 400m hurdles world record in one of greatest races in history | Tokyo Olympic Games 2020 | The Guardian
Niekerk breaks 400m world record || Niekerk breaks 400m world record
Wayde van Niekerk sets a 400-meter record that no one saw coming - The Washington Post
How van Niekerk broke the 400m world record
Van Niekerk betters 400m world record
Bol breaks world indoor 400m record with 49.26 in Apeldoorn | REPORT | World Athletics
Blake Leeper breaks Oscar Pistorius' 400 metre Paralympic World record
Femke Bol breaks 41-year world record in the women's indoor 400 meters | CNN
Men's 400 Meters: South African Wayde van Niekerk Shatters World Record | Runner's World
Fastest since 1985, Naser wins women's world 400-meter
American Sydney McLaughlin wipes out own world record to seize gold in women's 400m hurdles | CBC Sports
Sydney McLaughlin sets new world record, dominates women's 400 hurdles at World Athletics Championships: Video highlights - oregonlive.com
400 metres at the Olympics - Wikipedia
Wayde van Niekerk: South African smashes 400-meter world record to take gold | CNN
Fastest since 1985, Naser wins women's world 400-meter
McLaughlin obliterates world 400m hurdles record with 50.68 in Oregon | REPORT | World Athletics
43.03 – The Fastest 400m in History – Žiga P. Škraba
Karsten Warholm Sets World Record in 400-Meter Hurdles - The New York Times
/cloudfront-us-east-1.images.arcpublishing.com/pmn/GNGJK66BR5HZDIWARO2KZC5IT4.jpg "Tokyo Olympics: Sydney McLaughlin 400m hurdles gold is world record in track & field")
Tokyo Olympics: Sydney McLaughlin 400m hurdles gold is world record in track & field
Sydney McLaughlin runs 51.41 secs, breaks 400m hurdles world record at USA Outdoor Championships | World-Track and Field
2021 Tokyo Olympics - Women's 400 Meters Results
South Africa's Wayde van Niekerk breaks 400m world record - YouTube
