He competed at the 1960 Summer Olympics in Rome and won a gold medal in the Dragon class with the boat Nirefs, with Crown Prince Constantine of Greece and Odysseus Eskitzoglou. He finished 8th at the 1964 Summer Olympics in Tokyo and 15th at the 1968 Summer Olympics.
- "Profile: Georgios Zaimis". sports-reference.com. Archived from the original on 18 October 2012. Retrieved 1 February 2009. CS1 maint: discouraged parameter (link)
- Απεβίωσε ο χρυσός Ολυμπιονίκης της ιστιοπλοΐας, Γιωργος Ζαΐμης (in Greek)
- Giorgos Zaimis at Olympic.org (archived)
- Giorgos Zaimis at OlympicChannel.com (archived)
- Giorgos Zaimis at Olympics.com
- Giorgos Zaimis at Olympedia
- Giorgos Zaimis at World Sailing