Who is considered the greatest sprinter of all time and the 2016 Hollywood biographical sports film "I Am Bolt" based on?
I Am Bolt: I Am Bolt is a 2016 Hollywood biographical sports film co-directed by Benjamin Turner and Gabe Turner and produced by Leo Pearlman. I Am Bolt:  It is based on the life of Jamaican sprinter and three times Olympic gold medalist and World Record holder for 100m, 200m and 4x100m, Usain Bolt, who is the fastest man ever to walk on Earth. Usain Bolt:  Because of his dominance and achievements in sprint competition, he is widely considered to be the greatest sprinter of all time.
Usain Bolt