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Christian Coleman (L) of the United States and his teammate Justin Gatlin compete during the men's 100m final at the 2019 IAAF World Championships in Doha, Qatar, Sept. 28, 2019. (Xinhua/Wang Jingqiang)
Christian Coleman (L) of the United States and his teammate Justin Gatlin compete during the men's 100m final at the 2019 IAAF World Championships in Doha, Qatar, Sept. 28, 2019. (Xinhua/Wang Jingqiang)