Programme Unavailable

This programme is not currently available on 4oD. Programmes that are available to watch can be found in Browse All or A-Z.

For information about why some programmes are not available on 4oD, please visit our FAQs.

Michael Johnson: Survival of the Fastest on Channel4.com

See more about Michael Johnson: Survival of the Fastest

Olympian Michael Johnson makes a personal genealogical and scientific journey to discover if African American and Caribbean athletes are successful as a result of slavery