Date of Birth: 
About Gregor Vietz
- Gregor Vietz (born June 26, 1890 in Berlin, date of death unknown) was a German track and field athlete who competed in the 1912 Summer Olympics.In 1912 he finished 27th in the individual cross country event.
- In the 5000 metres competition as well as of the 10000 metres event he was eliminated in the first round. He was also a member of the German team which was eliminated in the first round of the 3000 metres team race by Sweden.
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