Triple circumnavigation swim
From Openwaterpedia
noun - A triple circumnavigation swim is a non-stop round-trip solo open water swim or relay around an island three consecutive times.
Synonyms
three-time island circumnavigation, triple around-the-island swim, three-time circumnavigation swim, triple circumnavigation
Usage
Skip Storch swam around Manhattan Island thrice non-stop in his triple circumnavigation swim.