Kammala wannan jumla: Kibowen ya lashe lambar zinare a tseren gajeren lokaci a gasar
1998 da 2000 IAAF World Cross Country Championships, kuma ya gama na biyu a 2003. Ya lashe tagulla a Gasar Cin Kofin Duniya ta 2001 da na azurfa a Gasar Cin Kofin Duniya ta 2003, ya kammala na hudu a Gasar Cin Kofin Duniya ta 2003 kuma na shida a Wasannin Olympics na 2004 da Gasar Cin Kofin Duniya ta 2005