(From L) Switzerland's Lea Sprunger, Czech Republic's Zuzana Hejnova, US Dalilah Muhammad, US Ashley Spencer and Britain's Eilidh Doyle compete in the women's 400 metres hurdles event during the AG Insurance Memorial Van Damme athletics event, the last meeting of the IAAF Diamond League competition, on September 1, 2017 in Brussels. / AFP PHOTO / BELGA / ERIC LALMAND / Belgium OUT (Photo credit should read ERIC LALMAND/AFP/Getty Images)
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