Buuxi weedhan soo socda: Osano wuxuu u tartamay Kenya da 'yar oo uu ahaa ciyaartooy da' yar oo uu ka qeyb qaatay kooxda qalinka ah ee 1987 IAAF World Cross Country Championships (oo uu hogaaminayay 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 xiddigaha 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.