Theory: Man could run 40mph

Many different takes on this research. However, all researchers seem to be arriving at the same conclusion: “Don’t mess around with treadmills!”

African American Researchers:

http://www.youtube.com/watch?v=bXuDV34AMoQ

Japanese Researchers:

http://www.youtube.com/watch?v=VUSWftOrvp8

And, of course, the Saudi Arabians:

http://www.youtube.com/watch?v=vc4my3jopqk