Brian Cox and Robin Ince are joined on stage by bio-mechanist Polly McGuigan, evolutionary biologist Ben Garrod, comedian Russell Kane and Olympic gold medalist Sally Gunnell to find out how good humans are at endurance. Could anyone win a gold at the Olympics? Could a human out-run a cheetah? And have we reached the absolute limits of human endurance? Producer: Caroline Steel Executive Producer: Alexandra Feachem