Dee ihe na-aga n'ihu maka paragraf a - N'afọ 1973, International Championships mere ka IAAF World Cross Country Championships ọhụrụ. N'afọ 1973
, ụmụ nwoke US esonyeghị mana ụmụ nwanyị US meriri ọla nchara ndị otu. Ndị nwoke US esoghị ọzọ na 1974 World Championships, ọ bụ ezie na ndị nwoke US Junior sonyere ma merie ọla edo otu n'azụ mmeri nke Rich Kimball na onye mmeri Olympic n'ọdịnihu John Treacy. Ụmụ nwoke US kpebiri iwere asọmpi Iko Mbaụwa nke ọma n'afọ 1975, na-eme asọmpi nkewapụrụ iche na Febụwarị. Ụmụ nwanyị US emeghị agbụrụ ruru eru dị iche, wee jikọta ya na ụmụ nwoke, ruo 1998.