Mezue ahịrịokwu na-esonụ: N'egwuregwu Olympic mbụ ya na 1980 Summer Olympics, ọ kwụsịrị nke asaa na ọkara ikpeazụ ya karịa 1500 mita. N'afọ ahụ ọ merikwara n'ọsọ ụmụ nwanyị 7 km na mmeghe Greifenseelauf. Ọrụ ya dara mgbe nwa ya nwanyị dị afọ itoolu bụ Estehr nọ n'ụgbọala ma nọrọ na coma ruo ọnwa isii. Mgbe nke ahụ gasịrị, o lekọtara nwa ya nwanyị nwere nkwarụ siri ike, ọ nweghịkwa oge maka ọzụzụ. Ọ gbara ọsọ na 1983 World Championships na Athletics, na-emecha nke iri na nke iri na otu na 1500 m na 3000 mita, n'otu n'otu. Ọ bụ onye nke ise na ụmụ nwanyị 3000 m na 1984 Summer Olympics ma were nke ise na ogologo ọsọ na 1984 Summer Olympics.
1985 IAAF World Cross Country Championships. A họpụtara ya ka ọ nọchite anya Switzerland na 1986 European Athletics Championships, wee kwụsị nke asaa na 3000 m ikpeazụ na nke asatọ na 1500m. N'oge ahụ ọ nọ n'ọkwa nke atọ karịa 1500 m na IAAF Grand Prix Final.