New Scientist: Food was prize in early marathons
A run around the park or on a treadmill in the gym is the best most of us manage these days. We should do better really, given that our body shape - upright, with large buttocks - apparently evolved for running.
Anthropologist Dan Lieberman of Harvard University suggested two years ago that our body shape evolved to allow our ancestors to run long distances, and reach animal carcasses before other scavengers. After observing modern hunter-gatherers from the !Xo and /Gwi tribes in Botswana, Louis Liebenberg, an anthropologist from Cape Town, South Africa, has suggested that the next evolutionary step was to become good at endurance running in order to run down prey.