(R-L) Kenya's Faith Chepngetich Kipyegon, Ethiopia's Dawit Seyaum, USA's Shannon Rowbury and Ethiopia's Besu Sado compete in the Women's 1500m Semifinal during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 14, 2016.   / AFP / Adrian DENNIS        (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)