Usain Bolt is the fastest sprinter of all time holding world records in the 100 and 200 combined. the current world records he holds are 9.58 in the 100 meter and 19.19 in the 200 meter till this day no one has yet to reach near that time and it has been unbroken for over 16 years. Usain bolt has hit the top speed of 27.78 mph or 44.72 km/h between the 60 and 80m mark in his world record race for the 100 meters.