Career He also has two medals from the 1996 European Championships in Augsburg (a team gold and an individual bronze).
Achievements Competing in two Summer Olympics, he won a bronze medal in the K-1 event in Barcelona in 1992. Lettmann also won two medals in the K-1 team event at the International Coach Federation Canoe Slalom World Championships with a gold in 1995 and a bronze in 1997.