Usain Bolt has won the 200 m title.
Usain Bolt . He is the first person to hold both the 100 metres and 200 metres world records since fully automatic time became mandatory . Bolt is the only sprinter to win Olympic 100 m and 200 m titles at three consecutive olympics ( 2008 , 2012 and 2016 ) , a feat referred to as the `` triple double . '' He is the most successful athlete of the World Championships and was the first athlete to win three titles in both the 100 m and 200 m at the competition . Bolt 's most successful event is the 200 m , with three Olympic and four World titles .