Buuxi weedhan soo socota: Osano wuxuu Kenya u tartamay isagoo da'da yar, isagoo ciyaartoy yar ahna wuxuu ka qeyb qaatay abaalmarinta qalinka ee tartanka adduunka.
1987 IAAF World Cross Country Championships (oo uu hogaaminayo guuleystaha Wilfred Kirochi) ka hor inta uusan ku soo laaban 1989 si uu u dhammeeyo kaalinta afaraad oo uu Kenya uga caawiyo horyaalka kooxda oo ay weheliyaan billadleyda shaqsiga ah ee Kipyego Kororia iyo Stephenson Nyamau. Wuxuu ku guuleystay billad shaqsi ah 1988 World Junior Championships ee Ciyaaraha fudud, isagoo galay orodka 20K, halkaas oo uu ku guuleystay kaalinta labaad ee Zeleke Metaferia ee Itoobiya.