Cika wannan jumla: Zeferino kuma ya kammala a 1998,
1999 da 2003 IAAF World Half Marathon Championships da suka kammala 117th, 91st da 70th bi da bi kuma sun kammala a 1999 da 2000 IAAF World Cross Country Championships <unk> Babban tseren maza inda ya gama a 141st da 145th bi da bi.