Marathon Swim Ratification

GoMOWSA ratifies marathon swims conducted in the Gulf of Maine and in the inland lakes of the bordering states. Please read GoMOWSA’s Ratification principles, our swim rules and the swim observation documents in detail before planning your swim.

GoMOWSA is a non-profit organization. In order to provide ratification services and publish ratified swims, we charge a fee of $50. Please purchase “Swim Ratification Service” via the GoMOWSA store to begin the process of swim ratification. You will be sent an upload link to submit your documentation.