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Wayde van Niekerk smashes Michael Johnson's 400m world record ...
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Relive every world record from the 2016 Olympics | NBC Olympics
South African beats Michael Johnson's 17-year-old 400m world ...
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South Africa's Wayde van Niekerk Breaks Olympics 400m World Record ...
USA student Norman breaks indoor 400m world record - Daily Times
South Africa's Wayde van Niekerk breaks 400m world record - YouTube
Record du monde du 400 mètres — Wikipédia
Wayde van Niekerk smashes Michael Johnson's record to claim 400m ...
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Niekerk shatters world record in 400m to win gold
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Miller-Uibo wins 400m in record time | The Tribune
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American Muhammad breaks own world record to win 400m hurdles
Wayde van Niekerk sets new 400m world record and it's gold for ...
Wayde van Niekerk breaks world record to win 400m gold in Rio ...
Van Niekerk smashes 400m World Record to claim Olympic title
