 Holmann akahwinawo makwikwi gumi nematatu eICF Canoe Sprint World Championships aine ndarama ina K-1 1000 m: 1990, 1991, 1993, 1995, masirivha mashanu K-1 500 m: 1991, 1995; K-1 1000 m: 1998, 1999; K-1 10000 m: 1993, uye mabhuronzi mana K-1 500 m: 1994, K-1 1000 m: 1994, 1997; K-4 200 m: 1998. 