Dee ihe na-aga n'ihu maka paragraf a - Grimmette nwetakwara nrite itoolu na FIL World Luge Championship na ọlaọcha abụọ (Otu ìgwè: 2004, 2005) na ọla nchara asaa (Ndị nwoke na-agbakọ: 1999, 2000, 2004, 2005, 2007, 2009; Otu ìgwè: 2001
) N'ihi ya, O meriri n'ogo Luge World Cup ụmụ nwoke okpukpu atọ (1997<unk>1998, 1998<unk>1999, 2002<unk>2003). A họpụtara ya n'ọnwa Disemba afọ 2009 ka ọ zọọ asọmpi n'egwuregwu Olimpik nke afọ 2010.