Pedzisa mutsara unotevera: Wichmann akabudirirazve paICF Canoe Sprint World Championships, achikunda menduru dzinokwana 18. Izvi zvaisanganisira ndarama pfumbamwe (C-1 1000 m: 1979, C-1 10000 m: 1970, 1971, 1974, 1977, 1979, 1981, 1982; C-2 1000 m: 1971), sirivha ina (C-1 500: 1971, C-1 1000 m: 1966, 1978; C-2 1000 m: 1970), uye ndarira shanu (C-1 1000 m: 1973,
1975; C-1 10000 m: 1973, 1983; C-2 1000 m: 1973).