Lake swims in the UK
Combine exercise with adventure in these lake swimming events! Take the opportunity to explore incredible locations like the Lake District and Scottish lochs, creating unforgettable memories alongside your fellow swimmers. Sign up to an event right here!
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Map viewLake swimming events in 2025/2026
Featured events are listed below - select a month/region or the map view to see all events.
- Fri 15 - Sun 17 May 2026
- £30
- Early bird
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
- 5K run 2
- 10K run
- Half marathon
- 50K ultra run
- Fell run
- + 12 more races
- Sat 16 May 2026
- £29-£55
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.
- Lake swim 5
- Sat 23 - Sun 24 May 2026
- £28-£245
- 20% off
Lough Cutra Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning South Galway in the discipline of your choice! Recruit your friends and celebrate your challenge in the festival village.
20% off
- Sprint triathlon 3
- Super sprint triathlon
- Novice triathlon
- Sprint duathlon
- Sprint aquabike
- + 17 more races
- Sat 6 - Sun 7 Jun 2026
- £15-£350
- 20% off
Chateau de Chantilly Triathlon and Multisport Festival
The majestic château hosts this epic multi-sport weekend for athletes of all levels, complete with a range of disciplines, festival village, friendly spectators and top reviews all-round!
20% off
- Ironman
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- + 12 more races
- Fri 12 - Sun 14 Jun 2026
- £20-£105
- Early bird
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
- Lake swim 6
- Sat 20 - Sun 21 Jun 2026
- £28-£245
- 20% off
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
20% off
- Relay triathlon 2
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- + 13 more races
- Sat 18 - Sun 19 Jul 2026
- £28-£245
- 20% off
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
20% off
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sun 20 Sep 2026
- £30-£97
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.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Lake swim 4
Lake swims near you
Select your location for lake swims in your local area.