Career
Zaiser held an Austrian record time of 1:00.77 by finishing seventh in the women"s 100 m individual medley at the 2011 European Short Course Swimming Championships in Szczecin, Poland. She challenged seven other swimmers on the second heat, including Ireland"s Sycerika McMahon and Iceland"s Eygló Ósk Gústafsdóttir, both of whom shared the same age with Zaiser. She raced to second place by a hundredth of a second (001) behind Ukrainian swimmer and two-time Olympian Hanna Dzerkal, outside her qualified entry time of 2:14.56.
Zaiser failed to advance into the semifinals, as she placed nineteenth overall out of 34 swimmers in the preliminary heats.