International King of Sports event is run as a knockout with the slowest contestant in each round being eliminated, until one winner is left. This event takes place on a long jump track and pit. Rather than landing feet first, contestants jump headlong; if their feet touch the sand, their effort is a no-jump. Liam Collins who jumped a world record 8.96 m. The jump itself cannot be classed as a world track and field record as the head long technique is not permitted in actual Olympic Games. Contestants must keep both feet together and clear 10 hurdles on the 110m hurdles track. In
Sprint hurdles at the Olympics world record has been broken only once, by Annelie Ehrhardt at the inaugural 1972 Olympic final. In contrast the 80 m hurdles world record was set at the Olympics in 1932 (four times), 1936, and 1952 (twice). Only three athletes have won two Olympic sprint hurdles gold medals: on the men's side, Lee Calhoun and Roger Kingdom, and on the women's side Shirley Strickland. Strickland is also the only athlete to win three such Olympic medals, having won a bronze medal before her victories. Alvin Kraenzlein is the only athlete to have won two hurdles medals at the same Olympics,