Membership in the Triple Crown of Open Water Swimming requires the authenticated completion of three famous marathon swims around the world: (1) 21 miles (33.7K) across the English Channel between England and France, (2) 21 miles (33.7K) across the Catalina Channel in Southern California, USA, and (3) 28.5 miles (45.8K) around the Manhattan Island in New York, USA.

The list of Triple Crown swimmers is here. To report new members of the club, please send the information to Open Water Source via email (headcoach@openwatersource.com).

However, open water swimmers are a creative lot and located all over the world. There are alternatives.