Who won the 100m gold, beating Usain Bolt at the World Athletic Championship 2017 in London?
Q1. Who won the 100m gold, beating Usain Bolt at the World Athletic Championship 2017 in London?
Answer: Justin Gatlin
Explanation: Justin Gatlin of the USA won the 100m gold at the 2017 World Athletics Championships in London, edging out defending champion Usain Bolt who finished third in his final individual race.