Mezue ahịrịokwu na-esonụ: Zubkov meriri ihe nrite anọ na FIBT World Championships na ọlaọcha abụọ (Four-man: 2005,
2008) na ọla nchara abụọ (Ndị nwoke abụọ: 2008, Ndị nwoke anọ: 2003). O meriri Bobsleigh World Cup n'egwuregwu ndị nwoke anọ ugboro atọ (2004<unk>5, 2005<unk>6, 2008<unk>9).