Ivan Bourgnon did it. yes, it's in French: http://www.voilesetvoiliers.com/voile-legere/yvan-bourgnon-tour-du-...[news-27-06-2015]-20152706-[lien]
Swiss sailor Yvan Bourgnon sailed on his sport cat around the world in 220 days. No bunk, no GPS, no shoes...
Next step: Yvan Bourgnon considers a trip around the Arctic. But with a partner, and a shlter to sleep in...