Athletics - Olympics: Day 15 (Caster Semenya)

Athletics - Olympics: Day 15
In This Photo: Caster Semenya
Caster Semenya of South Africa leads the field during the Women's 800 meter Final on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil.
(Aug. 19, 2016 - Source: Ian Walton/Getty Images South America)