In reply to Annoying Twit:
Yeah, yeah, but what did they ever do on gr... Oh, and of course some say Pterodactyls made it all too easy =)
My only real contribution is fossilised running footprints of a hunting party have been found where one human bloke was running at .02 or so off Usain Bolt in his WR. This was determined by looking at the gate and stride length, etc. The point was made that the chances of modern humans discovering a uniquely fast runner in fossillised tracks is not high, he was probably just another quick runner.
Physiology of living high will have been a factor.
Interesting wonderment twit.