This is old OLD school hunting methods, as in the hunting method used by the ancient men. It's amazing that he can run through the heat hours and hours on end.
It's awesome what the human body can do when survival comes in to play. Sure lots of animals got us beat on sprints, but not too many can beat us in endurance...
I also like how much respect he gives to the dead animal, and how much he honors it.
http://www.youtube.com/watch?v=52k6FdApB94&eurl