Buuxi weedha soo socota: Zeferino wuxuu sidoo kale dhamaystiray 1998,
1999 iyo 2003 IAAF World Half Marathon Championships oo dhammaystiray 117-aad, 91-aad iyo 70-aad siday u kala horreeyaan iyo sidoo kale dhammaystiray 1999 iyo 2000 IAAF World Cross Country Championships <unk> Tartanka ragga da'da weyn halkaas oo uu ku dhammaystiray 141aad iyo 145-aad siday u kala horreeyaan.