Kammala jumla mai zuwa: Koba ta yi yawancin wasanninta na kasa da kasa a tsakiyar shekarun 1990 don Ukraine. Ta kasance mai lambar tagulla a cikin mita 10,000 a gasar cin kofin Turai ta 1993, kodayake an dakatar da zabar ta don wannan taron a gasar zakarun duniya ta 1993 saboda rauni. A cikin 1994 ta kasance memba na ƙungiyar 'yan wasa ta Yokohama Women's Ekiden,
1994 IAAF Gasar Cin Kofin Duniya da Gasar Cin Kofin Turai ta 1994 (ta zama ta goma a na biyun). Ta jagoranci matsayi ga matan Ukraine a gasar tsere ta duniya ta 1995 IAAF a matsayi na 60 kuma ta dauki tagulla na mita 5000 a gasar cin kofin Turai ta 1995. An fitar da ita a cikin zafin jiki a babban bayyanarta na ƙarshe na duniya, a gasar tseren mita 5000 na 1995 na Duniya.