The Chillswim Windermere 11 Miles End to End is widely regarded as the premier open water swimming challenge in England. Taking place on September 5, 2026, this unique event offers participants the rare opportunity to traverse the entire 11-mile length of Windermere. Set against the stunning backdrop of the Lake District, the event attracts swimmers of all abilities looking to test their endurance in one of the most iconic bodies of water in the United Kingdom.
What to Expect
A challenging, well-supported long-distance open water swim across the full length of England's largest lake.
Who Should Attend
Open water swimmers
Endurance athletes
Swimming enthusiasts
Charity fundraisers
Agenda Overview
The event takes place on Saturday, September 5, 2026, with swimmers navigating the full length of the lake.