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Lake swims in UK

Find lake swims in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

The UK's top outdoor sports festival! Incredible entertainment, sports events, speakers, live music, activities, brand expo, bars, food, drink and much more.
  • Fri 15 - Sun 17 May
  • £30
  • Early bird
Keswick, Cumbria, UK

Keswick Mountain Festival

The UK's top outdoor sports festival! Incredible entertainment, sports events, speakers, live music, activities, brand expo, bars, food, drink and much more.

Early bird on now

  • Families
  • Venue accessible
  • Beginner-friendly
  • Dogs allowed at venue
  • Entertainment
  • Music
  • Enter online
  • Event village
  • Event expo
  • Park
  • Rural
  • Mountains
  • Sustainability policy
  • All ages
  • 5K run 2
  • 10K run
  • Half marathon
  • 50K ultra run
  • Fell run
  • + 14 more races
Take the opportunity to swim in a superb lake swimming venue where you’re not normally allowed to swim! Come and make a weekend of it with lakeside camping too.
  • Sat 16 May
  • £29-£55
Lifton, Devon, UK

Roadford Lake Swim

Take the opportunity to swim in a superb lake swimming venue where you’re not normally allowed to swim! Come and make a weekend of it with lakeside camping too.

  • Families
  • Trees not tees
  • Recycling
  • Beginner-friendly
  • Rural
  • Sustainability policy
  • Age 11 & over
  • Lake swim 5
The UK's biggest open water swimming event providing a fantastic opportunity for families, individuals, experienced and beginner swimmers to enjoy the open water.
  • Fri 12 - Sun 14 Jun
  • £20-£105
  • Early bird
Windermere, Cumbria, UK

Arla Great North Swim

The UK's biggest open water swimming event providing a fantastic opportunity for families, individuals, experienced and beginner swimmers to enjoy the open water.

Early bird on now

  • Families
  • Venue accessible
  • Event village
  • Event expo
  • Rural
  • Sustainability policy
  • Age 8 & over
  • Lake swim 6
A family-friendly event in partnership with the Brownlee Foundation, for triathletes of all skill levels including a Sprint, Standard, Middle distance tri, Swims, Aquabike, Relay and Juniors.
  • Sat 11 - Sun 12 Jul
  • £20-£100
Ripon, North Yorkshire, UK

Ripon Triathlon Festival

A family-friendly event in partnership with the Brownlee Foundation, for triathletes of all skill levels including a Sprint, Standard, Middle distance tri, Swims, Aquabike, Relay and Juniors.

  • Families
  • Beginner-friendly
  • Dogs allowed at venue
  • Entertainment
  • Event village
  • Urban
  • Rural
  • Free venue entry
  • Age 8 & over
  • Lake swim 2
  • Sprint triathlon
  • Sprint aquabike
  • Standard aquabike
  • Olympic triathlon
  • + 5 more races
Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Not for the faint-hearted.
  • Sun 26 Jul
  • £42.99-£259.99
Betws-y-Coed, Clwyd, UK

Snowman Triathlon, Duathlon and Swims

Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Not for the faint-hearted.

  • Beginner-friendly
  • Music
  • Event village
  • Age 17 & over
  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Lake swim 2
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.
  • Sun 20 Sep
  • £30-£97
Windsor, Buckinghamshire, UK

Eton Dorney Triathlon & Swims

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.

  • Families
  • Recycling
  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Urban
  • Park
  • Rural
  • Free venue entry
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Lake swim 4
  • Sun 7 Jun
Coniston, Cumbria, UK

Epic Lakes Swim Coniston

  • Lake swim 4
  • Sat 27 Jun
Penrith, Cumbria, UK

Epic Lakes Swim Ullswater

  • Lake swim 4
  • Sun 9 Aug
Ulverston, Cumbria, UK

Epic Lakes Swim Windermere

  • Lake swim 4
  • Sat 19 Sep
London, UK

Swim Serpentine

  • Lake swim 4

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