1 swimming event in Mariehamn

From big races to Saturday morning group runs—find swimming events and connect with the local endurance sports community.

• Åland [otilloswimrun.com]
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  Sat, Aug 15, 2026

  Description

  Explore the Åland archipelago with 6,700 islands where magnificent nature, maritime history, and countless adventures on both land and sea await.

  Run Swim SwimRun

  Mariehamn, Åland Islands
  OpenStreetMap Google Maps