Karsten Warholm breaks 400m hurdles world record
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Femke Bol destroys longest-standing world record in track - Canadian Running Magazine
400m Freestyle World Record
Wayde van Niekerk - Wikipedia
European Athletics on Twitter: "WORLD RECORD!!!!!! 🔥🔥🔥 49.26 for Femke Bol in the 400m at the Dutch Indoor Championships! https://t.co/8U6TdpZyKn" / Twitter
Michael Johnson Sevilla 1999: Men's 400m world record - YouTube
.jpg?ezimgfmt=ngcb1/notWebP "Sydney McLaughlin smashes 400m hurdles world record again | Watch Athletics")
Sydney McLaughlin smashes 400m hurdles world record again | Watch Athletics
Sydney McLaughlin does it again, breaks own world record in 400m hurdles | KRON4
Men's 400m world record holder Van Niekerk tests positive for coronavirus
Bol breaks long-standing world indoor 400m record | Reuters
We've All Been Waiting For This... || The 400 Meter World Record - YouTube
Wayde van Niekerk: South African smashes 400-meter world record to take gold | CNN
400 Meter Hürden: Warholm knackt Uralt-Weltrekord - ZDFheute
13-Year-Old 47s 400m WORLD RECORD! - YouTube
Femke Bol sets new indoor women's 400m world record with 49.26s - CGTN
How van Niekerk broke the 400m world record
Wayde van Niekerk – Wikipedia
Femke Bol breaks 400m indoor world record at Dutch nationals
Van Niekerk stuns field in record 400m - Taipei Times
Sydney McLaughlin sets world record in women's 400m hurdles win at World Athletics
Olympic Champion Sydney McLaughlin breaks own 400m hurdles world record
Wayde van Niekerk: Five things to know about the Olympic 400m champion and world record holder
Bol finds 400m record in her dream world | FEATURE | World Athletics
