Usain Bolt has won his third gold medal in the Olympic 100 meters finals today with a time of 9.80.
Bolt beat American Justin Gatling who ran a time of 9.89 and Canadian Andrew De Grasse who ran a time of 9.91.
Bolt got out of the blocks slow and needed to come home strong over the last 50 meters to capture the win.
The win makes Bolt the most successful 100 meter Olympic sprinter of all time.
