Pedzisa mutsara unotevera: Pakupera kwa2005, akanzwa achida kudzokera kumitambo, achiita zvose zvaaikwanisa kuti arambe achidzidzira uye achitarisira mwanakomana wake. Kurasikirwa naNataliya Tobias mumakwikwi emunyika ya2006 kwakamukurudzira kuti atangezve basa rake rehunyanzvi uye akatanga kudzidziswa naIryna Lishchynska. Akanga achifara nenguva dzake dzakanga dzichivandudzika asi akatambura kubuda kwakamanikana mumasemi-fainari pa2007 European Athletics Indoor Championships. Mwaka wekunze muna 2007 wakaratidza kuve shanduko; akatora menduru yesirivheri pa
2007 European Cup uye akaisa zvinyorwa zvitsva zvevanhu 400 metres uye 800 metres. Akamhanya mamita mazana masere pasi pemaminitsi maviri kekutanga pamakwikwi enyika, achikunda mumasekondi 1.59.60. Kuvandudzwa kwakauya nguva pfupi yapfuura pa2007 Summer Universiade kwaakakunda menduru yegoridhe, achiisa nguva inotungamira yepasi rose ye1.57.63 masekondi. Dzvinyiriro yekukwikwidza pa2007 World Championships semutungamiri wenyika yakaratidza zvakanyanya kuna Krevsun, uye akaburitswa kunze mukudziya nemaminitsi ari pasi pe2.02.45. Zvisinei, pakupera kwemwaka iye akanga achiri wechishanu anokurumidza 800 m mutambi gore iroro.