About MSF

The Marathon Swimmers Federation (MSF) is dedicated to advancing the sport of solo long distance open water swimming:

  • connecting the global community of marathon swimmers
  • defining standards for conducting marathon swims
  • documenting and authenticating independent marathon swims
  • preserving, collecting, and interpreting historical data of marathon swims

Our projects include:

  • The Marathon Swimmers Forum: providing social networking and peer education to aspiring and experienced marathon swimmers. The Forum is the world’s largest independent online community of open-water swimmers. Its
  • The Rules of Marathon Swimming: a globally-endorsed framework of swim rules and guidelines for any swim in any body of water.
  • The LongSwims database: the world’s most comprehensive database of marathon swim results. 38,000+ swims by 15,000+ swimmers, 1875 to present.
  • MSF Documented Swims: a venue for documenting and authenticating marathon swims in bodies of water not governed by established local organizations.
  • The Global Marathon Swimming Awards: annually honoring the sport’s most outstanding swims and service contributions.
  • track.rs: providing enhanced tracking of marathon swims, combining GPS data and analytics with real-time marine weather observations.
  • MSF Tracks: a global database of marathon swim GPS tracking data.
  • Regional Swim Calendars: comprehensive listings of organized open-water swims, maintained by knowledgeable locals.
  • The MSF Blog Network: offering free blog hosting powered by Wordpress, and a feed representing dozens of other marathon swimming blogs around the world.


Evan, based in San Francisco, California, currently serves as President of the Santa Barbara Channel Swimming Association. His record-breaking swim from Santa Cruz Island was featured in the documentary film DRIVEN. He has completed numerous other solo swims including Catalina, Manhattan Island, and Tampa Bay.

Donal Buckley

Donal is the author of the award-winning blog LoneSwimmer, and an English Channel and Manhattan Island soloist. He lives in Co. Tipperary, Ireland.

Elaine Howley

Elaine is a co-founder of the Massachusetts Open Water Swimming Association and has completed the Triple Crown of Open Water Swimming (English Channel, Catalina Channel, and Manhattan Island). She was the first person to complete the 32-mile lengthwise crossing of Lake Pend Oreille, Idaho.

Elaine is an award-winning freelance nonfiction writer and journalist based in Waltham, Massachusetts, USA.

Andrew Malinak

Andrew is a Manhattan Island soloist and the first man to complete all seven stages of the 8 Bridges Hudson River Swim consecutively. He is a co-founder of the Northwest Open Water Swimming Association.

Andrew is a geotechnical engineer based in Seattle, Washington, USA.

Regional Swim Calendars

Swim Documentation Review Panel

  • David Barra
  • Donal Buckley
  • Anne Cleveland
  • Sylvain Estadieu
  • Elaine Howley
  • Andrew Hunt
  • Andrew Malinak
  • Anthony McCarley
  • Zoe Sadler
  • Fergal Somerville
  • Sarah Thomas
  • Nora Toledano
  • Grace van der Byl
  • Milko van Gool
  • Scott Zornig

Chair (non-voting): Evan Morrison