Schuck also won twenty medals at the ICF Canoe Sprint World Championships with twelve golds (K-2 200 m: 1997, K-2 500 m: 1995, 1997; K-2 5000 m: 1990, 1991, 1993; K-4 200 m: 1997, K-4 500 m: 1993, 1994, 1995, 1997, 1998), six silvers (K-2 500 m: 1998, K-4 200 m: 1994, 1995; K-4 500 m: 1999, 2001, 2002), and a bronze (K-2 500 m: 1993, K-4 200 m: 2002).