Mezue ahịrịokwu na-esonụ: Amụrụ na Halen, ọ malitere ọzụzụ na R.F.C. de Liège na-agba ọsọ na-agba ọsọ ma mee ihe ngosi mbụ ya na International Cross Country Championships na 1971, na-abịa 32nd na ndị na-eto eto. Ọ lọghachiri n'afọ na-eso ya ma nọrọ n'ọkwa nke iri na isii. Na
1973 IAAF World Cross Country Championships (mbido nke ihe omume IAAF) ọ meriri akara ngosi mba ụwa mbụ ya n'ụdị ọla nchara nke ndị na-eto eto.