LONDON, ENGLAND - AUGUST 13: Francine Niyonsaba of Burundi, silver, Caster Semenya of South Africa, gold, and Ajee Wilson of the United States, bronze, pose with their medals for the Womens 800 metres during day ten of the 16th IAAF World Athletics Championships London 2017 at The London Stadium on August 13, 2017 in London, United Kingdom. (Photo by Richard Heathcote/Getty Images)
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