Beside the Olympics in luge, Erdmann won ten medals at the FIL World Luge Championships, including seven golds (Women's singles: 1989, 1991, 1997; Mixed team: 1990, 1991, 1993, 1995) and three silvers (Women's singles: 1995, 1996; Mixed team: 1989). She also won seven medals at the FIL European Luge Championships, including six golds (Women's singles: 1990, 1992; Mixed team: 1990, 1992, 1996, 1998) and one bronze (Women's singles: 1998). Erdmann won the overall Luge World Cup title in women's singles twice (1990–91, 1991–92).