Mezue ahịrịokwu na-esonụ: Tanigawa sonyekwara n'ọsọ ọkara marathon: o meriri ọlaọcha ndị mmadụ na ndị otu na 1993 IAAF World Half Marathon Championships ma merie 1994 Sapporo Half Marathon na 1996 America's Finest City Half Marathon. Ọ bụ onye meriri ọla nchara n'asọmpi egwuregwu mbaụwa nke mbaụwa.
1994 IAAF World Half Marathon Championships, ebe o mechara nke iri.