Faatumu le fuaiupu lenei: Na manumalo foi Grimmette i pine e iva i le FIL World Luge Championships ma siliva e lua (Mixed team: 2004, 2005) ma apamemea e fitu (Men's doubles: 1999, 2000, 2004, 2005, 2007, 2009; Mixed team:
2001). Na ia manumalo i le Luge World Cup men's doubles title i le tolu taimi (1997<unk>1998, 1998<unk>1999, 2002<unk>2003). Na filifilia o ia ia Tesema 2009 e tauva i le 2010 Winter Olympics.