The North Channel: between Ireland and Scotland, 21 miles (34 km) The Cook Strait: between New Zealand’s North and South Islands, 16 miles (26 km) The Moloka’i Channel: between Moloka’i and O’ahu, 27 miles (44 km) The English Channel: between England and France, 21 miles (34 km) The Catalina Channel: between Santa Catalina Island and Los Angeles, 21 miles (34 km) The Tsugaru Strait: between the Japanese islands of Honshu and Hokkaido, 12 miles (20 km) The Strait of Gibraltar: between Spain and Morocco, 10 miles (16 km) List of successful completions The LongSwims Database maintains a list of swimmers who have completed the challenge: NameNationNotesStephen RedmondIrelandFirst ever to complete all seven swimsAnna-Carin NordinSwedenMichelle MacyUnited StatesDarren MillerUnited StatesAdam WalkerUnited KingdomKimberley ChambersNew ZealandAntonio ArgüellesMexicoIon Lazarenco-TironRepublic of MoldovaRohan Dattatrey MoreIndiaFirst AsianAbhejali BernardováCzech RepublicFirst from a landlocked URL BellamySouth AfricaFirst South AfricanLynton MortensenAustraliaFirst AustralianThomas “Fleppy” PembrokeAustraliaYoungest (29 years)Nora Toledano CadenaMexicoMariel Hawley DávilaMexicoAndré WiersigGermanyAttila MányokiHungaryThe best total time (until 2019)Jonathan RatcliffeUnited KingdomAdrian SarchetGuernsey Alternative definitions An alternative definition of the Oceans Seven is one channel from each of the seven continents, just as the Seven Summits refers to the highest summit on each of the seven continents. For this definition, the list would include a South American channel and a swim in Antarctica. For example, Lynne Cox has swum channels in 6 continents and swam for 25 minutes in Antarctica.
The North Channel: between Ireland and Scotland, 21 miles (34 km) The Cook Strait: between New Zealand’s North and South Islands, 16 miles (26 km) The Moloka’i Channel: between Moloka’i and O’ahu, 27 miles (44 km) The English Channel: between England and France, 21 miles (34 km) The Catalina Channel: between Santa Catalina Island and Los Angeles, 20 miles (32 km) The Tsugaru Strait: between the Japanese islands of Honshu and Hokkaido, 12 miles (20 km) The Strait of Gibraltar: between Spain and Morocco, 10 miles (16 km) List of successful completions The LongSwims Database maintains a list of swimmers who have completed the challenge: NameNationNotesStephen RedmondIrelandFirst ever to complete all seven swimsAnna-Carin NordinSwedenMichelle MacyUnited StatesDarren MillerUnited StatesAdam WalkerUnited KingdomKimberley ChambersNew ZealandAntonio ArgüellesMexicoIon Lazarenco-TironRepublic of MoldovaRohan Dattatrey MoreIndiaFirst AsianAbhejali BernardováCzech RepublicFirst from a landlocked URL BellamySouth AfricaFirst South AfricanLynton MortensenAustraliaFirst AustralianThomas “Fleppy” PembrokeAustraliaYoungest (29 years)Nora Toledano CadenaMexicoMariel Hawley DávilaMexicoAndré WiersigGermanyAttila MányokiHungaryThe best total time (until 2019)Jonathan RatcliffeUnited KingdomAdrian SarchetGuernsey 
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Alternative definitions An alternative definition of the Oceans Seven is one channel from each of the seven continents, just as the Seven Summits refers to the highest summit on each of the seven continents. For this definition, the list would include a South American channel and a swim in Antarctica. For example, Lynne Cox has swum channels in 6 continents and swam for 25 minutes in Antarctica.