Miyuki Uehara of Japan competes in the Women's 5000m Final on Day 14 of the Rio 2016 Olympic Games at the Olympic Stadium on August 19, 2016 in Rio de Janeiro, Brazil.

Vivian Jepkemoi Cheruiyot of Kenya leads the field in the Women's 5000m Final on Day 14 of the Rio 2016 Olympic Games at the Olympic Stadium on August 19, 2016 in Rio de Janeiro, Brazil.

Vivian Jepkemoi Cheruiyot of Kenya leads the field in the Women's 5000m Final on Day 14 of the Rio 2016 Olympic Games at the Olympic Stadium on August 19, 2016 in Rio de Janeiro, Brazil.

BEIJING - AUGUST 23: Tariku Bekele (2nd R) of Ethiopia and Abreham Cherkos of Ethiopia lead the field during the Men's 5000m Final held at the National Stadium on Day 15 of the Beijing 2008 Olympic Games on August 23, 2008 in Beijing, China.

BEIJING - AUGUST 23: Gold medal winner Kenenisa Bekele (C) of Ethiopia celebrates with countrymen Tariku Bekele and Abreham Cherkos after the Men's 5000m Final held at the National Stadium on Day 15 of the Beijing 2008 Olympic Games on August 23, 2008 in Beijing, China.

Nanjing 2014 - Gold Medalist Ma Zhenxia (L) of China competes in the Women’s 5000m Race Walk of athletics event at the Nanjing 2014 Youth Olympic Games in Nanjing, capital of Jiangsu Province, Aug. 23, 2014.

Nanjing 2014 - Gold Medalist Ma Zhenxia of China holding her national flag, celebrates after the Women’s 5000m Race Walk of athletics event at the Nanjing 2014 Youth Olympic Games in Nanjing, Jiangsu Province, Aug. 23, 2014.

Nanjing 2014 - Gold Medalist Ma Zhenxia (C) of China, sliver medalist Valeria Ortuno Martinez (L) of Mexico and bronze medalist Noemi Stella of Italy stand on the podium during the awarding ceremony of Women’s 5000m Race Walk competition of the Nanjing 2014 Youth Olympic Games in Nanjing, Jiangsu Province, Aug. 23, 2014.

Sven Kramer of the Netherlands celebrates during the medal ceremony for the Men's 5000m Speed Skating

Carien Kleibeuker of the Netherlands competes during the Women's 5000m Speed Skating