 He won an international regatta in Prague in June 1973 in the single scull.SC Berlin-Grünau first competed in the East German championships in the quad scull in 1973 (a new boat class at the time), when Draeger's boat came third.In 1974, quad scull teams were formed by rowers from different clubs, and the composite team made up of Dreifke, Draeger, Rüdiger Reiche, and Jürgen Bertow became national champions.