At the 1986 European Championships, Günther only placed seventh in the individual distance, but won another gold medal in the 4 x 100 metres relay together with Silke Gladisch, Ingrid Auerswald and Marlies Göhr. Their time was 41.84 seconds, and Günther ran the second leg.[1] At the 1990 European Championships, Günther again placed seventh in the individual distance, but won yet another gold medal in the 4 x 100 metres relay, this time with Silke Möller (formerly Gladisch), Katrin Krabbe and Kerstin Behrendt. Günther ran the last leg,[1] crossing the finish line to clock in 41.68 seconds.
Günther represented the sports club SC Motor Jena and won silver medals at the East German championships in 1986 (100 m)[3] and 1990 (200 m).[4] Her personal best times were 11.19 in the 100 metres, achieved in September 1985 in East Berlin,[5] and 22.37 in the 200 metres, achieved in June 1982 in Cottbus.[6]
Günther is 1.70 metres tall; during her active career she weighed 60 kg.