RIO DE JANEIRO, BRAZIL - AUGUST 14:  Tirfi Tsegaye of Ethiopia, Visiline Jepkesho of Kenya and Desiree Linden of the United States competes during the Women's Marathon on Day 9 of the Rio 2016 Olympic Games at the Sambodromo on August 14, 2016 in Rio de Janeiro, Brazil.  (Photo by David Ramos/Getty Images)