Career
Prilepa qualified for the women"s 100 m backstroke, as Kazakhstan"s youngest swimmer (aged 14), at the 2004 Summer Olympics in Athens. She cleared a FINA B-standard entry time of 1:05.43 from the Kazakhstan Open Championships in Almaty. She challenged seven other swimmers in heat two, including Uzbekistan"s Olga Gnedovskaya, who shared the same age with Prilepa.
Prilepa failed to advance into the semifinals, as she placed thirty-eighth overall in the preliminaries.