Bahmann wuxuu sidoo kale ku guuleystay lix billadood tartanka ICF Canoe Slalom World Championships oo uu ku guuleystay saddex dahab ah (K-1: 1971, 1977
; Kooxda K-1: 1971), laba lacag ah (Kooxda K-1: 1975, 1977) iyo naxaas (K-1: 1975).