Dee ihe ga-aga n'ihu na paragraf a - Ọ gbara ọsọ ugboro abụọ na New York City Marathon (1991 na 1993) na na Boston Marathon na 1992, mana etinyeghị ya nke ọma. Ọkara marathon ya kachasị mma nke 60:42 ka ọ nwetara na Stramilano n'ọsọ n'afọ 1993, ebe ọ bụ onye na-agba ọsọ, ebe marathon ya kachasị mma nke 2:11:01 awa ka ọ nwetara n'ọnọdụ nke atọ na 1994 Paris Marathon. Ebe nke isii ya na 1994 IAAF World Half Marathon Championships
wetara ya ọla edo otu n'akụkụ ndị obodo ya Godfrey Kiprotich na Shem Kororia. Ka ọ na-erule ngwụcha ọrụ ya, ọ sonyere n'asọmpi nke ndị isi mgbe Shawn na Eddy Hellebuyck gbara ya ume ime nke a.