Hoyer wuxuu sidoo kale ku guuleystay lix billadood ICF Canoe Sprint World Championships oo leh afar lacag ah (C-2 1000 m: 1989, 1991
, 1993; C-2 10000 m: 1989) iyo laba naxaas ah (C-1 10000 m: 1986, C-2 500 m: 1991).