Faatumu le fuaiupu lenei: Na manumalo Hackl i le aofaʻi o pine e 22 i le FIL World Luge Championships, e aofia ai auro e sefulu (Men's singles: 1989, 1990, 1997; Mixed team: 1991, 1993, 1995, 2000, 2001, 2003, 2005), siliva e sefulu (Men's singles: 1991, 1993, 1995,
1996, 2001, 2004, 2005; Men's doubles: 1987, Mixed team: 1996, 1997), ma le lua 'apamemea (Men's singles: 2000, Mixed team: 1999).