Who can run 100m the fastest?

Usain Bolt, in broke his own WR at Athletics World Championships in Berlin (August 2009)... setting it at 9.58 seconds . In doing so, he hit his highest speed between the 60-80m points, and travelled the 20m in 1.61 seconds - 12.42 meters/sec which translates into 44.72 km/h or 27.79 mph

And that's that.

no fat fighters beat that record in 2001