Halka Holmann uu sidoo kale ku guuleystay saddex iyo toban ICF Canoe Sprint World Championships oo leh afar dahab ah (K-1 1000 m: 1990
, 1991, 1993, 1995), shan lacag ah (K-1 500 m: 1991, 1995; K-1 1000 m: 1998, 1999; K-1 10000 m: 1993), iyo afar naxaas ah (K-1 500 m: 1994, K-1 1000 m: 1994, 1997; K-4 200 m: 1998).