[1] She began representing West Germany at major international events after becoming the national bronze medalist in January 1951.

[4] In 1952, she was selected to compete at the Winter Olympics in Oslo, Norway; she placed 10th in compulsory figures, sixth in free skating, and eighth overall.

[5][6] Busch took silver at the 1953 European Championships in Dortmund, finishing second to Valda Osborn of the United Kingdom.

[7] Busch won gold at the 1954 European Championships in Bolzano, ahead of British skaters Erica Batchelor and Yvonne Sugden.

Deciding to end her amateur skating career, Busch accepted an offer from the Hollywood Ice Revue.