Helm also won 19 medals at the ICF Canoe Sprint World Championships with ten golds (K-1 1000 m: 1978, 1979, 1981, 1982, 1983; K-2 500 m: 1978, K-4 500 m: 1983, K-4 1000 m: 1978, 1979, 1981), six silvers (K-1 1000 m: 1977, K-2 500 m: 1979, K-4 500 m: 1982, K-4 1000 m: 1975, 1982, 1983), and three bronzes (K-1 1000 m: 1975, K-2 1000 m: 1974, K-4 500 m: 1981).