Otillo Casco Bay Islands

Otillo Casco Bay Islands

Portland, MEAugust 9, 2026

19M13M
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The birthplace of Americas first official SwimRun. Where it all began. Salty ocean swims, changing tides, island hopping, rock scrambles, historic sites, and that feel that only the East Coast, Maine, and this legendary race can deliver.

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Please visit the official race website to confirm all details.