2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usian Bolt (JAM) of Jamaica crosses the finish line in the men's 100m final. REUTERS/Murad Sezer FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica prepares to compete. REUTERS/Gonzalo Fuentes

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil 14/08/2016. Usain Bolt (JAM) of Jamaica celebrates after winning the race REUTERS/David Gray

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica crosses the finish line first to win the gold. REUTERS/Carlos Barria

2016 Rio Olympics - Athletics - Final - Men's 400m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Wayde van Niekerk (RSA) of South Africa competes in the men's 400m final. REUTERS/Murad Sezer

2016 Rio Olympics - Athletics - Final - Men's 400m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Gold medalist Wayde van Niekerk (RSA) of South Africa points to the board showing his new world new record. REUTERS/Lucy Nicholson

2016 Rio Olympics - Athletics - Final - Men's 400m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. First placed Wayde van Niekerk (RSA) of South Africa celebrates with Brazilian flag. REUTERS/Dylan Martinez

2016 Rio Olympics - Fencing - Victory Ceremony - Men's Epee Team Victory Ceremony - Carioca Arena 3 - Rio de Janeiro, Brazil - 14/08/2016. France celebrates winning the gold medal with Italy and Hungary. REUTERS/Pilar Olivares