Tokyo Olympics: Hurdler Karsten Warholm questions fairness of Nike spikes | News | The Times
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Sara Slott PETERSEN (Denmark) competing in the Women's 400m Hurdles Semi-Final 2 at the 2017, IAAF World Championships, Queen Elizabeth Olympic Park, Stratford, London, UK Stock Photo - Alamy
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Alison dos Santos upset Karsten Warholm in the 400-meter hurdles. - The New York Times