Wörz was member of the German national team that won the World Championship bronze medal in 2007 and also participated at the 2008 Summer Olympic Games in Beijing, where Germany placed eleventh. She was also present at the 2008 European Women's Handball Championship and the 2009 World Women's Handball Championship in China. In 2010, she took part on the European Championship, where Germany achieved the thirteenth position. She married her former national teammate, Susann Müller, in 2016.