韋漢娜
Koschischek represented Austria at the 2008 Summer Olympics in Beijing, where she qualified for two swimming events. On the first night of the Games, Koschischek won the third heat of the 100 m butterfly, by 0.28 of a second ahead of Hong Kong's Hannah Wilson in an Austrian record of 59.07, but she missed out the semifinals by 0.58-second deficit, as she placed twenty-sixth out of 69 swimmers in the preliminaries. In the 100 m freestyle, Koschischek posted a lifetime best and another Austrian record of 55.62. She raced to third place and twenty-ninth overall by a hundredth of a second (0.01) behind Arianna Vanderpool-Wallace of the Bahamas.