Mezue ahịrịokwu na-esonụ: Kemboi so n'òtù ndị na-agba ọsọ 4x400 bụ́ ndị bịara nke ise na 1991 World Championships. Ọ gbara asọmpi n'egwuregwu Olimpik nke mbụ ya n'egwuregwu Olimpik nke 1992, na-esonye na mita 400, ebe ọ ruru ọkara ikpeazụ. O sokwa na ndị Kenya
4x400 relay team nke gara n'ihu n'ikpeazụ, mana emechaghị ya. Na 1992 IAAF World Cup, ọ bụ akụkụ nke ndị otu Africa 4 × 400 m nke meriri ọla edo.