Athletes compete during the women’s 5000m final of the Rio 2016 Olympic Games Athletics, Track and Field events at the Olympic Stadium in Rio de Janeiro, Brazil, 19 August 2016. EPA/SRDJAN SUKI

Aniuar Geduev (red) of Russia in action against Hassan Aliazam Yazdanicharati (blue) of Iran during during men’s Freestyle 74kg gold medal game of the Rio 2016 Olympic Games Wrestling events at the Carioca Arena 2 in the Olympic Park in Rio de Janeiro, Brazil, 19 August 2016. EPA/SERGEI ILNITSKY

Marcia Yane Marques from Brazil rides horse Harry Potter during the Riding Show Jumping of the Rio 2016 Olympic Games Women’s Modern Pentathlon events in Rio de Janeiro, Brazil, 19 August 2016. EPA/NIC BOTHMA

Usain Bolt of Jamaica poses with his gold medal on the podium after winning the men’s 200m final of the Rio 2016 Olympic Games Athletics, Track and Field events at the Olympic Stadium in Rio de Janeiro, Brazil, 19 August 2016. EPA/YOAN VALAT

Eliza McCartney of New Zealand competes in the women’s Pole Vault final of the Rio 2016 Olympic Games Athletics, Track and Field events at the Olympic Stadium in Rio de Janeiro, Brazil, 19 August 2016. EPA/BERND THISSEN