Kenya's Eliud Kipchoge (R), Ethiopia's Feyisa Lilesa (C), Galen Rupp of the United States of America compete during the men's marathon of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 21, 2016. (Xinhua/Li Ming)
Kenya's Eliud Kipchoge (R), Ethiopia's Feyisa Lilesa (C), Galen Rupp of the United States of America compete during the men's marathon of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 21, 2016. (Xinhua/Li Ming)