Mezue ahịrịokwu na-esonụ: Egwuregwu FIBT World Championships 1990 weere ọnọdụ na St. Moritz, Switzerland (Bobsleigh) na Königssee, West Germany (Skeleton). St. Moritz kwadoro ihe omume nke mmeri maka oge nke iri na asaa. Obodo Switzerland anabatala ihe omume ahụ na 1931 (Ndị nwoke anọ), 1935 (Ndị nwoke anọ), 1937 (Ndị nwoke anọ), 1938 (Ndị nwoke abụọ), 1939 (Ndị nwoke abụọ), 1947, 1955, 1957, 1959, 1965, 1970, 1974, 1977, 1982, 1987, na 1989 (Skeleton). Ka ọ dịgodị, Königssee kwadoro ihe omume nke onye mmeri maka oge nke atọ, na-eme nke a na 1979 na
1986. Ọ dị mma.