Nanjing 2014 - Gold medalist Kimia Alizadeh Zenoorin (2nd L) of Iran, silver medalist Yulia Turutina(1st L) of Russia Federation and bronze medalist Zhangchen of China(1st R), Debbie Natalia Yopasa Gomes of Colombia during the awarding ceremony of the women's 63-kg taekwondo event at the Nanjing 2014 Youth Olympic Games on August 20, 2014.

Nanjing 2014 - Kimia Alizadeh Zenoorin of Iran celebrates with her national flag after winning women's 63-kg taekwondo final event at Nanjing 2014 Youth Olympic Games in Nanjing, capital of Jiangsu Province, on Aug. 20, 2014. Zenoorin won the gold medal 10-7.

Nanjing 2014 - Kimia Alizadeh Zenoorin of Iran competes during women's 63-kg taekwondo final event at Nanjing 2014 Youth Olympic Games in Nanjing, capital of Jiangsu Province, on Aug. 20, 2014. Zenoorin won the gold medal 10-7.

Maryia Mamashuk of Belarus (red) competes against Henna Katarina Johansson of Sweden during the Women's Freestyle 63 kg Quarterfinals on Day 13 of the Rio 2016 Olympic Games at Carioca Arena 2 on August 18, 2016 in Rio de Janeiro, Brazil.

Risako Kawai of Japan (blue) competes against Maryia Mamashuk of Belarus during the Women's Freestyle 63 kg Gold medal match on Day 13 of the Rio 2016 Olympic Games at Carioca Arena 2 on August 18, 2016 in Rio de Janeiro, Brazil.

Yekaterina Larionova of Kazakhstan celebrates after defeating Elena Sergey Pirozhkova of the United States during the Women's Freestyle 63 kg Bronze medal match on Day 13 of the Rio 2016 Olympic Games at Carioca Arena 2 on August 18, 2016 in Rio de Janeiro, Brazil.

Rui Xu of People's Republic of China (red) competes against Inna Trazhukova of Russian Federation during the Women's Freestyle 63 kg Quarterfinals on Day 13 of the Rio 2016 Olympic Games at Carioca Arena 2 on August 18, 2016 in Rio de Janeiro, Brazil.

ATHENS - AUGUST 18: A women weightlifter puts chalk on her hands as she competes in the women's 63 kg category weightlifting competition on August 18, 2004 during the Athens 2004 Summer Olympic Games at Nikaia Olympic Weightlifting Hall in Athens, Greece. (Photo by Stuart Franklin/Getty Images)

ATHENS - AUGUST 17: A general view of the action in the women's judo -63 kg class event on August 17, 2004 during the Athens 2004 Summer Olympic Games at Ano Liossia Olympic Hall in Athens, Greece. (Photo by Mike Hewitt/Getty Images)

ATHENS - AUGUST 23: Stavroula Zygouri of Greece lifts Sara McMann (blue) of the USA during the women's Freestyle wrestling 63 kg qualification round on August 23, 2004 during the Athens 2004 Summer Olympic Games at Ano Liossia Olympic Hall in Athens, Greece. (Photo by Al Bello/Getty Images) *** Local Caption *** Stavroula Zygouri;Sara McMann