16th IAAF World Athletics Championships London 2017 - Day Two [Getty Images]

LONDON, ENGLAND - AUGUST 05: Donavan Brazier of the United States leads the mens 800m heats during day two of the 16th IAAF World Athletics Championships London 2017 at The London Stadium on August 5, 2017 in London, United Kingdom. (Photo by Alexander Hassenstein/Getty Images for IAAF)

Getty Images Sport Alexander Hassenstein