Mezue ahịrịokwu na-esonụ: Na FIL European Luge Championships, Gruber meriri nrite itoolu na ọla edo abụọ (Men's doubles: 2008, 2014), ọlaọcha anọ (Men's doubles: 2004; Mixed team: 2004,
2006, 2013), na ọla nchara atọ (Ndị nwoke na-agbakọ: 2006; Ndị otu agwakọtara: 2012, 2014).