Why does Usain Bolt run so fast?

Taken from the feature documentary “WHY DO JAMAICANS RUN SO FAST?“. With Usain Bolt, Asafa Powell, Shelly-Ann Fraser, Melaine Walker and all the gold medals of Beijing 2008. Producer: Nando Garcia Guereta (Nice Time). Director: Miquel Galofré. Script: Laura Carulla. You can watch it all (62 minutes) at: