Rubuta ci gaba don wannan sakin layi - A cikin 1973, Gasar Cin Kofin Duniya ta ba da damar zuwa sabuwar Gasar Cin Kofin Duniya ta IAAF. A shekara ta 1973
, Mazan Amurka ba su shiga ba amma matan Amurka sun sami lambar tagulla ta tawagar. Mazan Amurka kuma ba su shiga gasar zakarun duniya ta 1974 ba, kodayake Amurka ta Junior Men ta shiga kuma ta lashe lambar zinare ta tawagar bayan nasarar da Rich Kimball ya samu a kan mai lambar yabo ta Olympics John Treacy. Mazan Amurka sun yanke shawarar ɗaukar Gasar Cin Kofin Duniya da gaske a 1975, suna gudanar da wani taron cancanta daban a watan Fabrairu. Matan Amurka ba su gudanar da tseren cancanta daban ba, sannan aka haɗu da maza, har zuwa 1998.