Andika mwendelezo kwa aya hii - Esser pia alishinda medali saba katika ICF Canoe Sprint World Championships na dhahabu mbili (K-2 500 m: 1963, 1970), fedha nne (K-1 500 m: 1966
, K-4 500 m: 1963, 1966, 1971), na shaba (K-4 500 m: 1970).