Nikki Hamblin of New Zealand stops running during the Women’s 5000m Round 1 race to help fellow competitor Abbey D’Agostino of the USA after they collided. D’Agostino stopped her race, shook Hamblin’s shoulder and said “Get up, get up, we have to finish this.” Both runners, who had never met before, went on to finish. (KAI PFAFFENBACH / Reuters Photo)
Athletes compete in a women’s 5000-meter heat at the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro. (David J. Phillip / AP)
Usain Bolt of Jamaica reacts prior to competing in the Men’s 200m Round 1 - Heat 9 on Day 11 of the Rio 2016 Olympic Games. (Shaun Botterill / Getty Images)
Kayla Banwarth of the USA celebrates with team mates after defeating Japan in the Volleyball Women’s quarterfinals match. (YVES HERMAN / Reuters Photo)
Will Claye of the United States has a moment to himself after winning the silver medal in the Men’s Triple Jump Final on Day 11 of the Rio 2016 Olympic Games at the Olympic Stadium. (Shaun Botterill / Getty Images)
Krisztian Manhercz of Hungary reacts after his team’s loss against Montenegro in the Men’s Water Polo quarterfinal match. (LASZLO BALOGH / Reuters Photo)
Simone Biles of the United States reacts after competing on the Women’s Floor final at the Rio Olympic Arena. (Dean Mouhtaropoulos / Getty Images)
US gymnast Alexandra Raisman competes in the women’s floor event final of the Artistic Gymnastics at the Olympic Arena. (THOMAS COEX / AFP/Getty Images)
Wang Yan of China competes during the Artistic Gymnastics women’s floor exercises final. (MIKE BLAKE / Reuters Photo)
Simone Biles and Alexandra Raisman of the USA celebrate winning the gold and the silver respectively after the Artistic Gymnastics women’s floor exercises final. (MIKE BLAKE / Reuters Photo)
Jarrod Poort, of Australia, swims in the men’s marathon swimming event at Copacabana beach. (David Goldman / AP)
Christian Taylor of the USA competes during the Men’s Triple Jump final at Olympic Stadium. (IVAN ALVARADO / Reuters Photo)
Gold medalist Christian Taylor of the United States reacts on the podium during the medal ceremony for the Men’s Triple Jump Final on Day 11 of the Rio 2016 Olympic Games at the Olympic Stadium. (Cameron Spencer / Getty Images)
Chen Yang of China competes in the Women’s Discus Throw final. (PAWEL KOPCZYNSKI / Reuters Photo)
The shadow of an athlete is seen as she jumps during the Women’s Pole Vault qualifying round. (FABRIZIO BENSCH / Reuters Photo)
Team Serbia celebrates victory over Australia in the Women’s Basketball quarterfinal. (JIM YOUNG / Reuters Photo)
Romain Duguet of Switzerland riding Quorida De Treho jumps during the Equestrian Jumping Team qualification. (TONY GENTILE / Reuters Photo)
Andressa and Tamires of Brazil and Kosovare Asllani of Sweden compete during the Women’s Soccer semifinal. (BRUNO KELLY / Reuters Photo)
Cyclists compete in the Men’s Keirin First Round track cycling race. (MATTHEW CHILDS / Reuters Photo)
Montenegro’s team gets together during their Men’s Water Polo quarterfinal match against Hungary. Montenegro beat Hungary, 13-11. (LASZLO BALOGH / Reuters Photo)