Date of Birth: 
About Siegfried Lefanczik
- Siegfried Lefanczik (born 4 July 1930) is a German racewalker.
- He competed in the 1958 European Athletics Championships and placed 7th out of 598 competitors.
- He later competed in the men's 20 kilometres walk at the 1960 Summer Olympics but was disqualified only 3 km (1.86 mi) from the finish line.
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