Kenya's Jemima Jelagat Sumgong celebrates her victory in the Women's Marathon during the athletics event at the Rio 2016 Olympic Games at Sambodromo in Rio de Janeiro on August 14, 2016.
Kenya's Eliud Kipchoge crosses the finish line to win the Men's Marathon athletics event of the Rio 2016 Olympic Games at the Sambodromo in Rio de Janeiro on August 21, 2016.
Kenya's Faith Chepngetich Kipyegon (gold medal) poses during the podium ceremony for the women's 1500m of the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 17, 2016.
Kenya's Conseslus Kipruto celebrates after setting a new Olympic record and winning the Men's 3000m Steeplechase Final during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 17, 2016.
Kenya's Vivian Jepkemoi Cheruiyot (R) celebrates with silver medallist Kenya's Helen Onsando Obiri after she won the Women's 5000m Final during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 19, 2016.
Kenya's David Lekuta Rudisha (C) celebrates as he crosses the finish line to win the Men's 800m Final during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 15, 2016.
Kenya's Hellen Onsando Obiri (R, silver medal) and Kenya's Vivian Jepkemoi Cheruiyot (gold medal) pose during the podium ceremony for the Women's 5000m during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 19, 2016.
Silver medallist Kenya's Julius Yego poses on the podium for the Men's Javelin throw final during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 20, 2016.
Kenya's Beatrice Chepkoech, Kenya's Hyvin Kiyeng Jepkemoi and USA's Emma Coburn compete in the Women's 3000m Steeplechase Final during the athletics competition at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 15, 2016.