Puerto Rico’s Monica Puig reacts after winning women’s singles gold against Germany’s Angelique Kerber at the Olympic Tennis Centre of the Rio 2016 Olympic Games in Rio de Janeiro on August 13, 2016. Luis Acosta / AFP
Usain Bolt of Jamaic reacts before his heat in the men’s 100m sprint at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Phil Noble / Reuters
Coxswain Daniela Druncea of Romania (R) with women’s eight rowing teammates Roxana Cogianu, Ioana Strungaru, Mihaela Petrila, Iuliana Popa, Madalina Beres, Laura Oprea, Adelina Bogus, Andreea Boghian attend medal ceremony after winning bronze. Carlos Barria / Reuters
Poland’s team competes in the cycling women’s team pursuit semi-finals at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Paul Hanna / Reuters
Natasha Hastings of USA competes in the women’s 400m preliminary round at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Lucy Nicholson / Reuters
Goalkeeper Thierry Omeyer of France reacts during his team’s handball group match against Croatia at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Damir Sagolj / Reuters
Nafissatou Thiam of Belgium competes in the long jump during her gold-winning effort in the women’s heptathlon at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Phil Noble / Reuters
Close up of gymnasts’ footwear as they line up to be introduced during the men’s qualification at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Mike Blake / Reuters
Mo Farah of Great Britain celebrates after winning the Men’s 10,000m on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. Alexander Hassenstein / Getty Images
Boonsak Ponsana of Thailand celebrates after winning his match against Lee Dong-keun of South Korea in the men’s badminton tournament at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Marcelo Del Pozo / Reuters
Teresa Frassinetti of Italy and Evgeniia Soboleva of Russia compete during a water polo group match at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. Laszlo Balogh / Reuters
Jeff Henderson of USA competes in the men’s long jump at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 13 2016. He won gold. Pawel Kopczynski / Reuters
Mahe Drysdale, of New Zealand, rows for gold in the men’s rowing single sculls final during the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 13, 2016. Andre Penner / AP Photo
Cody Miller, Michael Phelps and Ryan Murphy of the United States celebrate winning gold in the men’s 4x100m medley relay final on Day 8 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 13, 2016 in Rio de Janeiro, Brazil. Tom Pennington / Getty Images