Mezue ahịrịokwu na-esonụ: Schumann merikwara nrite ọlaedo anọ na-esote na FIL World Luge Championships (1973<unk>75, 1977). Ọnụ ọgụgụ ya nke mmeri ga-abụ nke a na-enwetụbeghị ụdị ya ruo mgbe Sylke Otto (nke bụkwa onye Germany) meriri ya na 2000,
N'afọ 2001, n'afọ 2003, nakwa n'afọ 2005.