London, UK. 10th Aug, 2017. London, August 10 2017 . Adelle Tracey, Great Britain, smiles as she races with Habitam Alemu, Ethiopia, in the women's 800m heats on day seven of the IAAF London 2017 world Championships at the London Stadium. Credit: Paul Davey/Alamy Live News

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Photo credit: © Paul Davey / Alamy / Afripics
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