Dee ihe na-aga n'ihu maka paragraf a - Osoro nọchitere anya Kenya ugboro abụọ n'egwuregwu ụwa n'afọ 1991, na-agba ọsọ na 1991 IAAF World Cross Country Championship
(ebe ọ bịara nke ise n'ọsọ ogologo) na mgbe ahụ n'okporo ụzọ na 1991 World Championships na Athletics (na-ewepụ na 5000 mita okpomọkụ site a warara n'akụkụ megide Dionísio Castro). Agbanyeghị, ọ meriri nrite na 5000 m na 1991 All-Africa Games nke afọ ahụ. O gosipụtara na ndị otu Kenya World Cross Country maka oge nke abụọ na 1992 IAAF World Cross Country Championships, ọ bụ ezie na ọ nweghị ihe ịga nke ọma na mgbalị a ka ọ kwụsịrị na 23rd. N'etiti njem ya na sekit ahụ, ọ meriri na Belfast International Cross Country zutere.