Nyora kupfuurira kweiyi ndima - Koba akaita mazhinji emitambo yake yepasi rose pakati pemakore ekuma1990 kuUkraine. Akanga ari bronze medalist mumamita 10,000 pa1993 European Cup, kunyange zvazvo kusarudzwa kwake kwechiitiko ichocho pa1993 World Championships muAtletics kwakamiswa nekuda kwekukuvara. Muna 1994 aive nhengo yechikwata chenyika cheYokohama Women's Ekiden, 1994 IAAF World Cross Country Championships uye 1994 European Cross Country Championships (achiisa chegumi mune yekupedzisira). Akatungamira chinzvimbo chevakadzi veUkraine pa1995 IAAF World Cross Country Championships
panzvimbo yechi60 ndokutora ndarira pamakwikwi eEuropean Cup ya1995. Akadzingwa mumakwikwi ekupedzisira mumakwikwi makuru epasi rose, pa1995 World Championships muAthletics 5000 m nhangemutange.