At an international regatta in Grünau in the 1968 Olympic year, Nüßner teamed up with Kobuß in the K2[34] but was replaced by Karin Haftenberger for the final.[35] In August at a regatta in Moscow, Nüßner came third in the K-1 500 m.[36] Nüßner was part of the 13-strong team nominated for the 1968 Summer Olympics in Mexico (12 of whom competed).[37][38] In Mexico, Nüßner came fifth in her heat and had to qualify for the final in the repechage, where she came second. In the final, she came sixth.[6]