Marathon Swimmers Federation

david yudovin

In Memoriam. David Yudovin near Two Harbors, Catalina Island. Photo by Beth Yudovin

Rules of Marathon Swimming

Standards and guidelines for undertaking solo open-water marathon swims in any body of water. Globally endorsed.

Documented Swims

MSF Documented Swims have been conducted, documented, and authenticated according to the highest standards of integrity.

Annual Awards

Recognizing the most outstanding marathon swims of the year, and the people who contribute most selflessly to the sport.

Race Calendars

Regional open water swim calendars, curated by locals.

Current calendars: U.S. (6 miles & up), Southern California, Midwest, Mid-Atlantic.

Blogs

MSF's Global Blog Feed represents 54 marathon swimming blogs from around the world.

MSF also offers free blog hosting, powered by Wordpress. Start or transfer a blog now.

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