A marathon swim is a nonstop, unassisted open water swim of 10 kilometers or longer.
Marathon swims take place in oceans, seas, bays, lakes, and rivers throughout the world - as part of organized events, sanctioned solo swims, or self-organized independent solo swims.
A curated list of the world’s most iconic marathon swim events and solo swims. Swims to do before you die.
Go to: MSF Iconic Swims
Independent Swim Ratification
A service for ratifying and publishing documentation of independent solo and relay marathon swims.
Go to: MSF Documented Swims
Bucket List Challenges
- Triple Crown of Open Water Swimming - English Channel, Catalina Channel, Swim Around Manhattan
- Oceans Seven - English Channel, Catalina Channel, Strait of Gibraltar, North Channel, Cook Strait, Kaiwi Channel, Tsugaru Strait.
- California Triple Crown - Catalina Channel, Santa Barbara Channel, Lake Tahoe.
- New Zealand Triple Crown - Cook Strait, Lake Taupo, Foveaux Strait.