Mezue ahịrịokwu na-esonụ: Grigson sonyere na 1996 Summer Olympics na Atlanta na-abịa 15th na
ihe omume ụmụ nwanyị na-agba ọsọ. Ọ sonyekwara n'asọmpi Cross-country ụmụ nwanyị na 2000 Summer Olympics na Sydney ebe ọ bịara nke isii.