The Marathon Swimmers Federation (MSF) serves the global community of "Channel Rules"-style marathon swimmers and aspiring marathon swimmers.
- To provide a venue for community discussion and peer education via the Marathon Swimmers Forum.
- To recognize outstanding marathon swims and swimmers via the Global Marathon Swimming Awards.
- The provide guidelines for undertaking and documenting solo marathon swims, via the Rules of Marathon Swimming.
- To provide a platform for submitting, organizing, and analyzing data about marathon swims.
- To promote growth in participation and public awareness of the sport of marathon swimming.