Difficult as it was to hear, slavery has benefited descendants like me - I believe there is a superior athletic gene in us.
Michael JohnsonAll my life I believed I became an athlete through my own determination, but it's impossible to think that being descended from slaves hasn't left an imprint through the generations.
Michael JohnsonOn the £20,000 Mercedes prizes for each winner at the World Athletics Championships in Stuttgart- Anyone good enough to win already has one.
Michael Johnson