Povazsay qualified for the women's 100 m backstroke at the 2012 Summer Olympics in London by clearing a FINA B-standard entry time of 1:02.38 at the European Championships in Debrecen. She challenged seven other swimmers on the second heat, including three-time Olympians Anja Čarman of Slovenia and Sanja Jovanović of Croatia. She was faster than Kazakhstan's Yekaterina Rudenko to grab a sixth spot by 0.09 of a second in 1:03.55. Povazsay failed to advance into the semifinals, as she placed thirty-seventh overall in the preliminaries.