Nyorai kupfuurira kweiyi ndima - Kemboi akanga ari rutivi rwechikwata che 4x400 chakapedza chiri chechishanu pa 1991 World Championships. Akakwikwidza kumaOlympics kekutanga kumaOlympics ezhizha ra1992, achitora chikamu mumamita mazana mana, kwaakasvika kuma semifainari. Akanga ariwo muchikwata cheKenya che 4x400 relay
chikwata icho chakapfuurira kumagumo, asi hachina kuapedza. Pa 1992 IAAF World Cup, aive chikamu cheAfrica 4 × 400 m timu iyo yakahwina goridhe.