Hippios: began in 520, similar to the diaulos, only at the nemea games, competitors carried shields and wore helmets. Track was usually about 30 meters wide and 600 ancient feet in length: olympia had the longest track, delphi had the shortest track. Balbis: stone line at the end of the track, the runner would put his left foot in front, leaning forward with outstretched arms. Hypslex: first seen in isthmia, thought to be as many as 22 lanes, four point stance (modern day stance), was not allowed. Hypslex ii: seen at all four olympic games, 2 cords were attached to a post (one at knee level, one at waist level, the ropes are all released in one single action. Hypslex iii: monumental architectural frames divide the lanes, intricate pulleys, cords and mental springs, release the barriers outcome of the races. The evolution of the hypslex was to remove all possibility of influencing the.