[2] Trained by her sister Adrienn,[3] Katalin made her international debut at the 1997 World Championships in Berlin, where she competed with rope and ribbon, taking 142nd place in the All-Around and 13th place in teams along Viktoria Frater, Orsolya Balogh and Dora Toth.

[4] She again competed at the World Championships in 2003, being 20th in the team final with Petra Daróczi, Brigitta Haris and Zsófia Mészáros.

[5] The following year she took part in the European Championships in Kyiv, placing 35th in the All-Around and 20th in teams along Nikolett Királyvári and Fruzsina Benyó.

[12][13] In 2008 she performed rhythmic gymnastics exhibitions on a cruise, then joining a circus school in Beijing where she also became and aerialist.

Meanwhile, she trained with Rita Polákovits, Nikoletta Királyvár, Alexandra Demeter, and Julcsi Buda as a group in order to compete at the 2009 Universiade.