- CAST Classic
- Open Water Swimming
- A Short List of Marathon Swims
- Olympic Marathon Swims For Amateurs Of All Abilities
- List of Marathon Swims
- Daily News of Open Water Swimming
- World Open Water Swimming Association
- International Marathon Swimming Hall of Fame
- Marathon Swimming
- What Is A Marathon Swim?
- Do Marathon Runs Compare To Marathon Swims?
- Longest Marathon Swims In The World
- What is The Defined Distance Of A Marathon Swim?
- How Many Channel Swimmers Are There In The World?