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Noun Concept
Categories: 400 metres at the World Junior Championships in Athletics, 2018 IAAF World U20 Championships
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2018 IAAF World U20 Championships – Men's 400 metres  2018 IAAF World U20 Championships - men's 400 metres
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The men's 400 metres at the 2018 IAAF World U20 Championships was held at Ratina Stadium on 11, 12 and 13 July. Wikipedia
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