Rubuta ci gaba don wannan sakin layi - Wichmann ya sami ƙarin nasara a Gasar Cin Kofin Duniya ta ICF Canoe Sprint, inda ya ci lambobin yabo 18. Wannan ya hada da zinare tara (C-1 1000 m: 1979, C-1 10000 m: 1970, 1971, 1974, 1977, 1979, 1981, 1982; C-2 1000 m: 1971), azurfa hudu (C-1 500: 1971, C-1 1000 m: 1966, 1978; C-2 1000 m: 1970), da tagulla biyar (C-1 1000 m: 1973, 1975
; C-1 10000 m: 1973, 1983; C-2 1000 m: 1973). A cikin wannan yanayin, an yi amfani da ma'auni na ma'auni.