BEIJING, CHINA - AUGUST 29: Marina Arzamasova of Belarus (C) wins gold in the Women's 800 metres final ahead of Eunice Jepkoech Sum of Kenya (L) and Melissa Bishop of Canada (R) during day eight of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 29, 2015 in Beijing, China. (Photo by Christian Petersen/Getty Images for IAAF)
