Tulis a continuation for this paragraph - Hackl meunang total 22 medali di FIL World Luge Championships, kaasup sapuluh emas (Singles Lalaki: 1989, 1990, 1997; Tim campuran: 1991, 1993, 1995, 2000, 2001, 2003, 2005), sapuluh pérak (Singles Lalaki: 1991, 1993, 1995, 1996
2001, 2004, 2005; Ganda lalaki: 1987, Tim campuran: 1996, 1997), jeung dua perunggu (Singles lalaki: 2000, Tim campuran: 1999).