 Ramba uchiverenga ndima iyi - Gare gare mumwaka wa1987, Chepkurui akakwikwidza muWorld Championships yechipiri-kare muAthleticsmune zvose zviri zviviri 400 m uye 4 x 400 m. Haana kufambira mberi kusvika kumagumo mune chero chiitiko. 