The persistence hunt may well have been the first form of hunting practised by hominids. It is likely that this method of hunting evolved before humans invented projectile weapons, such as darts, spears, or slings. Since they could not kill their prey from a distance and were not fast enough to catch the animal, the only reliable way to kill it would have been to run it down over a long distance.
In this regard one has to bear in mind that, as hominids adapted to bipedalism they would have lost some speed, becoming less able to catch prey with short, fast charges. They would, however, have gained endurance and become better adapted to persistence hunting. The evolution of the distinctively human sweating apparatus and relative hairlessness would have given hunters an additional advantage by keeping their bodies cool in the midday heat.