Alexander Massialas of USA competes in the men’s fencing team foil semi-finals at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 12 2016. Issei Kato / Reuters
Nicole Ahsinger of USA competes in women’s trampoline gymnastics qualifying at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 12 2016. Ruben Sprich / Reuters
Iakiv Khammo of Ukraine and Iurii Krakovetskii of Kyrgyzstan compete in the men’s judo +100kg elimination rounds at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 12 2016. Toru Hanai / Reuters
Athletes compete during the women’s 10,000m at the 2016 Rio Olympics, Rio de Janeiro, Brazil, August 12 2016. Lucy Nicholson / Reuters
Almaz Ayana of Ethiopia poses in front of the scoreboard after winning the women’s 10,000m final with a new world record at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro, Brazil, 12 August 2016. Antonio Lacerda / EPA
Britain's Bradley Wiggins (R), Owain Doull, Edward Clancy and Steven Burke compete in the men's team pursuit finals track cycling event at the Velodrome during the Rio 2016 Olympic Games in Rio de Janeiro on August 12, 2016. Odd Andersen / AFP
Britain’s Bradley Wiggins celebrates after setting a world record competing with teammates in the men’s team pursuit qualifying track cycling event at the Velodrome during the Rio 2016 Olympic Games in Rio de Janeiro on August 12, 2016. Eric Feferberg / AFP
United States’ Anthony Ervin celebrates winning in the men’s 50m freestyle final during the swimming competitions at the 2016 Summer Olympics, Friday, August 12, 2016, in Rio de Janeiro, Brazil. Dmitri Lovetsky / AP Photo
United States’ Maya DiRado after winning the women’s 200m backstroke final celebrates during the swimming competitions at the 2016 Summer Olympics, Friday, August 12, 2016, in Rio de Janeiro, Brazil. Michael Sohn / AP Photo
Katie Ledecky of USA celebrates winning the women’s 800m freestyle final race of the Rio 2016 Olympic Games swimming events at Olympic Aquatics Stadium at the Olympic Park in Rio de Janeiro, Brazil, 12 August 2016. Esteban Biba / EPA
Rim Jong-sing of North Korea makes an attempt during the women’s 75kg category final competition of the Rio 2016 Olympic Games weightlifting events at the Riocentro in Rio de Janeiro, Brazil, 12 August 2016. Larry W Smith / EPA
Ukraine’s Tetyana Kob, right, celebrates as she wins a match against Bulgaria’s Stanmira Petrova during a women’s flyweight 51kg preliminary boxing match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, August 12, 2016. Frank Franklin II / AP Photo
Sweden’s Sabina Jacobsen tries to score past Netherlands’ Martine Smeets, left, and Netherlands’ Nycke Groot, right, during the women’s preliminary handball match between Sweden and Netherlands at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, August 12, 2016. Ben Curtis / AP Photo
Belgium’s Nafissatou Thiam reacts in the women’s heptathlon high jump during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 12, 2016. Adrian Dennis / AFP