2016 Rio Olympics, Athletics, Final, Women's 5000m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 19, 2016. Vivian Cheruiyot (KEN) of Kenya celebrates. (Photo by Dominic Ebenbichler/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 5000m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 20, 2016. Vivian Cheruiyot (KEN) of Kenya competes. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 4 x 100m Relay Final, Olympic Stadium, Rio de Janeiro, Brazil on August 19, 2016. Tori Bowie (USA) of USA runs to win the U.S. team the gold. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 4 x 100m Relay Final, Olympic Stadium, Rio de Janeiro, Brazil on August 19, 2016. Darryl Neita (GBR) of Britain, Asha Philip (GBR) of Britain, Desiree Henry (GBR) of Britain, Dina Asher-Smith (GBR) of Britain celebrate. (Photo by Phil Noble/Reuters)





2016 Rio Olympics, Athletics, Victory Ceremony, Women's 400m Hurdles Victory Ceremony, Olympic Stadium, Rio de Janeiro, Brazil on August 19, 2016. Dalilah Muhammad (USA) of USA poses with her gold medal. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Handball, Final, Women's Bronze Medal Game Netherlands vs Norway, Future Arena, Rio de Janeiro, Brazil on August 20, 2016. Heidi Loke (NOR) of Norway and Camilla Herrem (NOR) of Norway celebrate winning the bronze medal. (Photo by Alkis Konstantinidis/Reuters)





2016 Rio Olympics, Rhythmic Gymnastics, Final, Individual All-Around Final, Rotation 1, Rio Olympic Arena, Rio de Janeiro, Brazil on August 20, 2016. Melitina Staniouta (BLR) of Belarus competes using the hoop. (Photo by Ruben Sprich/Reuters)





William Arjona of Brazil celebrates victory over Russia with his daughter following the Men's Volleyball Semifinal match on Day 14 of the Rio 2016 Olympic Games at the Maracanazinho on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Patrick Smith/Getty Images)





Chong Wei Lee of Malaysia in action against Long Chen of China during the Rio 2016 Olympic Games Men's Singles Gold Medal Match at the Riocentro in Rio de Janeiro, Brazil, 20 August 2016. (Photo by Esteban Biba/EPA)





Stine Bredal Oftedal (C) of Norway in action with Michelle Goos (L) and Nycke Groot (R) of Netherlands during women's bronze medal match between Netherlands and Norway of the Rio 2016 Olympic Games at the Future Arena in the Olympic Park in Rio de Janeiro, Brazil, 20 August 2016. (Photo by Marijan Murat/EPA)





Ukraine's team competes during the synchronized swimming teams free routine final in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, August 19, 2016. (Photo by Wong Maye-E/AP Photo)





Long Chen of China celebrates victory over Chong Wei Lee of Malaysia during the Men's Singles Badminton Gold Medal match on Day 15 of the Rio 2016 Olympic Games at Riocentro – Pavilion 4 on August 20, 2016 in Rio de Janeiro, Brazil. (Photo by Sean M. Haffey/Getty Images)





Allyson Felix of the United States reacts after winning gold during the Women's 4 x 400 meter Relay on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil. (Photo by Ian Walton/Getty Images)





Shakur Stevenson (USA) lost a split decision to Robeisy Ramirez (CUB) in the gold medal bout during the Olympic Games on August 20, 2016 in Rio De Janeiro, Brazil. (Photo by Jonathan Newton/The Washington Post)





Leona Maguire of Ireland, places a ball as her twin sister and caddie, Lisa Maguire, looks over on the 3rd hole during the final round of the women's golf event at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Alastair Grant/AP Photo)





Team Germany performs during the rhythmic gymnastics group all-around qualifications at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Rebecca Blackwell/AP Photo)





Team Brazil performs during the rhythmic gymnastics group all-around qualifications at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Rebecca Blackwell/AP Photo)





Team China competes in the Teams Free Routine final during the synchronised swimming event at the Maria Lenk Aquatics at the Rio 2016 Olympic Games in Rio de Janeiro on August 19, 2016. (Photo by Christophe Simon/AFP Photo)





2016 Rio Olympics - Canoe Sprint - Final - Men's Canoe Double (C2) 1000m, Final A, Lagoa Stadium, Rio de Janeiro, Brazil on August 20, 2016. Erlon de Souza Silva (BRA) of Brazil and Isaquias Queiroz Dos Santos (BRA) of Brazil celebrate winning silver after the men's canoe double (C2) 1000m race. (Photo by Marcos Brindicci/Reuters)





Members of Italy team jump into water with their coach Alessandro Campagna as they celebrate their victory during men's bronze medal water polo match against Montenegro at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Sergei Grits/AP Photo)





Netherlands' Yvette Broch scores a goal past the Norwegian defence during the women's bronze medal handball match between Norway and Netherlands at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Ben Curtis/AP Photo)





Gwen Jorgensen of the United States wins the women's triathlon competition of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Gregory Bull/AP Photo)





Competitors run to the water for the start of the women's triathlon event at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 20, 2016. (Photo by Felipe Dana/AP Photo)





Yana Kudryavtseva of Russia performs during the Rhythmic Gymnastics Individual All-Around on August 20, 2016 at Rio Olympic Arena in Rio de Janeiro, Brazil. (Photo by Laurence Griffiths/Getty Images)





Cheick Sallah Junior Cisse of Ivory Coast jumps off the mat after defeating Lutalo Muhammad of Great Britain in the final seconds of the men's 80 kg taekwondo gold medal contest, August 20, 2016. (Photo by Gregory Bull/AP Photo)





Canada's Alyxandria Treasure competes in the women's high jump final, August 20, 2016. (Photo by Matt Slocum/AP Photo)





Serbia's forward Sonja Petrovic lying on the floor during the women's bronze medal basketball match between Serbia and France, August 20, 2016. (Photo by Mark Ralston/AFP Photo)





Canada's Vincent Riendeau competing in the men's 10m platform diving semifinal, August 20, 2016. (Photo by Francois-Xavier Marit/AFP Photo)





Mo Farah of Great Britain carries his countries flag after winning the gold medal in the men's 5000m Final race, August 20, 2016. (Photo by Antonio Lacerda/EPA)