In August Zimmermann competed at her first German National Championships as a senior elite where she placed eleventh in the all-around and third on vault behind Sarah Voss and Emelie Petz. As a result, Zimmermann qualified to competed at the World Trials for a chance to make the German team that would compete at the 2019 World Championships. At the World Trials she finished seventh in the all-around but recorded the second highest balance beam score. In September Zimmermann competed at a friendly competition in Worms, Germany where she helped Germany finish first as a team and individually she finished eighteenth in the all-around.