Julius Yego of Kenya competes during the Men's Javelin Throw Final on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil.

Silver medalist Feyisa Lilesa of Ethiopia, gold medalist Eliud Kipchoge of Kenya and bronze medalist Galen Rupp of the United States stand during the medal ceremony for the Men's Marathon during the Closing Ceremony on Day 16 of the Rio 2016 Olympic Games at Maracana Stadium on August 21, 2016 in Rio de Janeiro, Brazil.

(L to R) Silver medalist Feyisa Lilesa of Ethiopia, gold medalist Eliud Kipchoge of Kenya and bronze medalist Galen Rupp of the United States celebrate on the podium at the medal ceremony for the Men's Marathon during the Closing Ceremony on Day 16 of the Rio 2016 Olympic Games at Maracana Stadium on August 21, 2016 in Rio de Janeiro, Brazil.

Eliud Kipchoge of Kenya celebrates as he crosses the line to win gold during the Men's Marathon on Day 16 of the Rio 2016 Olympic Games at Sambodromo on August 21, 2016 in Rio de Janeiro, Brazil.

Eliud Kipchoge of Kenya, Galen Rupp of the United States, Lemi Berhanu of Ethiopia and Feyisa Lilesa of Ethiopia compete during the Men's Marathon on Day 16 of the Rio 2016 Olympic Games at Sambodromo on August 21, 2016 in Rio de Janeiro, Brazil.

Eliud Kipchoge of Kenya, Galen Rupp of the United States and Feyisa Lilesa of Ethiopia compete during the Men's Marathon on Day 16 of the Rio 2016 Olympic Games at Sambodromo on August 21, 2016 in Rio de Janeiro, Brazil.

Beatrice Chepkoech of Kenya and Madeline Heiner Hills of Australia compete in the Women's 3000m Steeplechase Round 1 on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil.

6 AUG 1984: EDWIN KOECH OF KENYA LEADS THE PACK DURING THE FINAL OF THE MENS 800 METRES AT THE 1984 LOS ANGELES OLYMPICS. FROM RIGHT TO LEFT THE ATHLETES ARE KOECH , JOAQUIM CRUZ OF BRAZIL , JOHNNY GRAY OF THE USA , SEBASTIAN SEB COE OF UK , BILLY KONCHELLAH OF KENYA AND EARL JONES OF USA.

Moroccan runner Hicham el Guerrouj presents his gold medal on the podium for the 5,000m event of the Athens 2004 OG. Alongside him are Ethiopia’s Kenenisa Bekele (silver medal) on the left and Kenya's Eliud Kipchoge (bronze medal) on the right ©IOC

SINGAPORE, 21 Aug 2010 - Gold medalist Luguelin Santos of Dominican Republic (C), silver medalist Ruan Greyling of South Africa (L) and bronze medalist Alfas Kishoyan of Kenya attend the awarding ceremony after the boys 400m group A final at Bishan Stadium of the Singapore 2010 Youth Olympic Games in Singapore.