Rubuta ci gaba don wannan sakin layi - 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
, duk da cewa an zaɓi ta don wannan taron a Gasar Cin Kofin Duniya ta 1993 a Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasanni saboda rauni. A cikin 1994 ta kasance memba na ƙungiyar ƙasa don Yokohama Women's Ekiden, 1994 IAAF World Cross Country Championships da 1994 European Cross Country Championships (sanya na 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 cikin babban bayyanarta na ƙarshe na duniya, a gasar tseren mita 5000 na 1995 na Duniya.