American football was featured in the Summer Olympic Games demonstration programme in 1904 and 1932. College football was played at the 1904 Olympics, which was played at Francis Field, but was, in reality, college teams playing each other as part of their regular seasons. The sport was eventually played officially as a demonstration sport only once, in 1932. Though American football has not been played in the Olympics since then, various American football players have participated in the Olympics. The International Federation of American Football (IFAF) oversees the IFAF World Championship, which is an international tournament, which itself is held every four years.