A nice article but Rory Coleman’s contribution, while otherwise accurate, perpetuates the notion that the human animal as being designed. We are not designed to do anything. We have evolved over very long periods of time. Evolution has naturally selected walking, jogging and some running as the major methods of human mobility.
Design invokes agency were none exists. We are evolved primates, Izzard is an evolved primate.
This from BBC-News:
Eddie Izzard has completed 27 marathons in as many days for Sports Relief. But how will his body recover from such a feat?