Three Lakes Challenge
April 2026,  EXTRA,  FEATURES,  Readers' Swims

Three lakes, one swim: solo swimming across the UK

Helen Hislop shares her 59.9km odyssey through Scotland, England, and Wales, revealing the preparation, endurance and awe-inspiring beauty behind her record-breaking Three Lakes UK Challenge

The Three Lakes Challenge comprises swimming the three longest lakes in each nation of mainland UK consecutively: Loch Awe in Scotland, Windermere in England and Llyn Tegid (Bala Lake) in Wales. The total distance is 59.9km (37.3 mi).

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Outdoor Swimmer is the magazine for outdoor swimmers by outdoor swimmers. We write about fabulous wild swimming locations, amazing swim challenges, swim training advice and swimming gear reviews.