
Tori Bowie(2nd L) of the United States competes during the women's 100m heat on Day 2 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 5, 2017. (Xinhua/Han Yan)

Tori Bowie(2nd L) of the United States competes during the women's 100m heat on Day 2 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 5, 2017. (Xinhua/Han Yan)