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Muhammad sets world record in 400m hurdles
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Muhammad wins 400m hurdles gold with world record - Saudi Gazette
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Niekerk shatters world record in 400m to win gold
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/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 ...")
Olympics 2016 results: Wayde van Niekerk sets world record from ...
Dalilah Muhammad lowers 400m hurdles world record as Qatari ...
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Wayde van Niekerk smashes Michael Johnson's record to claim 400m ...
Doha 2019: Dalilah Muhammed shatters 400m hurdles world record for ...
