Seidelmann and Nüßner won the K-2 500 m and also the K-4.[9] The 1963 national championships were held in September in Hoyerswerda. In the K-1 500 m, Seidelmann won her fifth title in a row with Nüßner coming third.[2] Seidelmann and Nüßner won the K-2 500 m.[10] In the K-4 500 m, the team from SC DHfK Leipzig lost the title to a crew from SC Potsdam.[11] Nüßner did not compete at the 1964 national championships but concentrated on Olympic qualification races instead. At the 1965 national championships in Grünau, Nüßner was narrowly defeated by Anita Kobuß in the K-1 500 m and thus gained second place.[4][12] The 1966 national championships were held in mid-July but Nüßner does not appear in the results lists.[13] Nüßner returned for the 1967 national championships held in September and won the K-1 5000 m and the K-1 10,000 m marathon distance.[14][15][16] At the 1968 national championships held in June on the Wusterwitzer See, Nüßner came second in the K-1 500 m beaten by Kobuß.[17] In the K-4 500 m, Nüßner came third alongside team mates Damm, Kampfrath and Eggert from Leipzig.[4]