Mezue ahịrịokwu na-esonụ: Zardini nwetakwara ihe nrite iri na FIBT World Championships na otu ọla edo (Four-man: 1963), ọlaọcha isii (Two-man: 1958, 1959,
1962, 1963; Mmadụ anọ: 1959, 1962), na ọla nchara atọ (Mmadụ abụọ: 1960, 1961; Mmadụ anọ: 1958).