The oldest Olympic event is

Sprinting according to records, 776 BC, held in the Greek Olympic village of the first ancient Olympic Games on the sprinting competition. At that time, the running posture is the torso leaning forward, thighs lifted high, feet landing closer to the center of gravity, small stride "step type" running. Start is to use the "standing" position, and put the big stone behind the foot, by pushing the boulder to accelerate the speed of the start.