In August, Seitz competed at the European Championships in Munich, where she helped Germany qualify to the team final in fourth place. Individually, she also qualified to the uneven bars final in fifth place. In the team final, the German team of Seitz, Kim Bui, Pauline Schäfer, Sarah Voss and Emma Malewski won the bronze medal behind Italy and Great Britain — Germany's first team medal in European Championship history. In the uneven bars final, Seitz won the gold medal ahead of Alice D'Amato and Lorette Charpy with a score of 14.433.
