Mezue ahịrịokwu na-esonụ: Ọ bụ onye meriri ọla nchara abụọ na 3000 mita na 5000 mita na
1997 European Cup. Ọ bụ onye mbu meriri ihe nrite maka Gris na European Athletics Indoor Championships na dịka nke 2016, ka bụ naanị onye egwuregwu Gris dị otú ahụ.