Nyorai kuenderera mberi kweiyi ndima - Karapetyan akahwina menduru yesirivheri pa1995 World Weightlifting Championships
nokuda kwenyika yokumusha kwake yeArmenia. Akakwikwidza kumaOlympics eZhizha ra1996 achimiririra Armenia, achiuya panzvimbo yechi13, uye kumaOlympics eZhizha ra2000 achimiririra Australia, achiuya panzvimbo yechi10. Muna 2007 Karapetyan akambomiswa basa kwemakore maviri pashure pokunge abvuma kuti akanga ashandisa benzylpiperazine.