OTILLO Swimrun Casco Bay Islands

AUG
9
2026
Experience America's original swimrun at Casco Bay Islands with World Series, Sprint, and Experience distances for teams and solos. Join the action in Maine or watch from a dedicated spectator boat.
Sun 9 Aug 2026
Experience Solo Experience Team Sprint Solo Sprint Team World Series Team

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OTILLO Swimrun Casco Bay Islands

The OTILLO Swimrun Casco Bay Islands is a multi-sport event taking place on Long Island, Maine. Established as a significant fixture in the American swimrun scene, this event offers participants the opportunity to navigate through the coastal environment of the Casco Bay area.

Participants can choose from several categories and distances based on their preferences and experience levels. The event features both solo and team formats for the various course lengths. The available categories include:

  • World Series Team and World Series Solo
  • Sprint Team and Sprint Solo
  • Experience Team and Experience Solo

The World Series distance events are eligible for ranking points. In addition to the racing categories, the event provides options for supporters to follow the action. Spectator boat tickets are available for purchase for adults, teens, and children aged 12 and under, allowing for a unique view of the transition between swimming and running segments. The event is scheduled for Sunday August 9, 2026. Visit the organization's website for the most recent information.

Experience Solo
Experience Team
Sprint Solo
Sprint Team
World Series Team
World Series Solo

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