Pedzisa mutsara unotevera: Kemboi aiva nhengo yechikwata chema4x400 chakapedza chiri chechishanu paWorld Championships ya1991. Akakwikwidza kumaOlympics kekutanga kumaOlympics ezhizha ra1992, achitora chikamu mumamita mazana mana, kwaakasvika kuma semifainari. Akanga ariwo chikamu cheKenya
4x400 relay team iyo yakafambira mberi kusvika kumagumo, asi haina kuapedza. Pa 1992 IAAF World Cup, aive chikamu cheAfrica 4 × 400 m timu iyo yakahwina goridhe.