Achievements

• Competing in three Summer Olympics, she won two gold medals in the K-2 500 m event (1964, 1968). Esser also won seven medals at the International Coach Federation Canoe Sprint World Championships with two golds (K-2 500 m: 1963, 1970), four silvers (K-1 500 m: 1966, K-4 500 m: 1963, 1966, 1971), and a bronze (K-4 500 m: 1970).