Twenty-one year old Andre De Grasse wins an Olympic Bronze medal with a personal best of 9.91s in the Men's 100m race. Usain Bolt of Jamaica wins the 100m for his third Gold metal in this event. Justin Gatlin of the USA took the Silver. Aug 14, 2016 This was De Grasse's 1st Olympics. De Grasse is the first Canadian male athlete to win a medal in Rio. It is also the first Canadian medal in the marquee event since 1996.