The ultimate open water swimming challenge, encountering warm and cold seas, long distances, and unpredictable tides.

  1. the North Channel between Northern Ireland and Scotland
  2. the Cook Strait between the North and South Islands of New Zealand/li>
  3. the Moloka’i Channel between O’ahu and Moloka’i Islands in Hawaii
  4. the English Channel between England and France
  5. theCatalina Channel in Southern California
  6. the Tsugaru Channel between the islands of Honshu and Hokkaido in Japan
  7. the Strait of Gibraltar between Europe and Africa.