Walde won national decathlon titles in 1964 and 1969, and set a world record the heptathlon in 1970. For several years he was the athlete's speaker of the German National Team.
Walde's achievements include winning national decathlon titles in 1964 and 1969, as well as setting a world record in the heptathlon in 1970.  He was also a prominent figure within the German National Team, serving as their athlete representative for several years.