UK swimming events
Wild swimming is booming in popularity as people search for a more immersive experience in the outdoors, both as a fun activity and an antidote to the stresses of modern life. The events listed here are hosted in rivers, lakes, outdoor pools and the great expanse of the ocean, meaning there's something for everyone, no matter whether you're an experienced seadog or are dipping a toe in for the first time.
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Choose your water
Sea, lake or river - or do it for charity.
Swimming events in 2025
Featured events are listed below - select a month/region or the map view to see all events.
- Fri 16 - Sun 18 May
- £30
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.
- 5K run 2
- 10K run
- Half marathon
- 50K ultra run
- Fell run
- + 12 more races
- Sat 17 May
- £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 4
- Sat 7 Jun
- £30-£47
Dartmouth Open Water Swim
A much-loved favourite in the outdoors calendar, the Dartmouth Open Water Swims offer a choice of distances in the clear waters of Blackpool Sands Beach for a wide range of swimming abilities.
- Sea swim 3
- Fri 13 - Sun 15 Jun
- £19-£98
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.
- Lake swim 6
- Sun 15 Jun
- £25-£99
Plymouth Triathlon & Plymouth Swim
Previously known as Mount Edgcumbe Triathlon, triathletes and swimmers of all abilities can experience a truly exceptional venue, finishers medal, t-shirt and memorable day out at a fantastic event.
- Kids triathlon 3
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sea swim 3
- Sun 29 Jun
- £30-£79
English Riviera Triathlon
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
- Sprint triathlon
- Olympic triathlon
- Super sprint triathlon
- Kids triathlon 2
- Sun 29 Jun
- £24-£44
English Riviera Swim
The ever-popular English Riviera Swims offers a choice of distances in the warm and sheltered sea at Torquay, for a wide range of swimming abilities. This beach has an excellent water quality record!
- Sea swim 3
- Sat 5 Jul
- £50
Bournemouth Pier to Pier Swim
Join hundreds of other swimmers and take on an epic 1.4 mile open water swim from Boscombe Pier to Bournemouth Pier. With every stroke, you’ll be powering lifesaving research.
- 1.4 miles sea swimming
- Sat 12 - Sun 13 Jul
- £20-£95
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.
- Lake swim 4
- Sprint triathlon
- Sprint aquabike
- Standard aquabike
- Olympic triathlon
- + 5 more races
- Sat 2 - Sun 3 Aug
- £31.99-£249.99
Craft Snowman Triathlon & Duathlon, Snowman Swim & Ogwen Yr Helgi Du Trail Runs
Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Plus swims and trail running events.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- 10K run
- + 5 more races
- Fri 29 Aug - Mon 1 Sep
- £20-£55
Something Wild Festival
A family-friendly trail running festival for all ages and abilities with Devon's best trail routes at its heart - plus sea swims, swimruns, guided runs, yoga, music, speakers, local food and camping!
- Trail run
- 5K run
- 10K run
- Sea swim
- Sprint swimrun
- + 5 more races
- Fri 29 - Sun 31 Aug
- £10-£279
Long Course Weekend Yorkshire
The Long Course Weekend Yorkshire is back for a second year! A huge multi-sport festival in stunning Nidderdale featuring runs, rides, triple-style challenges and junior events too.
- Ironman
- Half Ironman
- Kids triathlon
- Lake swim 2
- Long sportive
- + 6 more races
- Sun 21 Sep
- £29-£49
Dawlish Swim
Dawlish Warren is a fantastic location for a sea swim, regardless of experience level, plus the excellent Teignmouth Surf Life Saving Club team will be on hand to keep everyone safe.
- Sea swim 3
- Sun 21 Sep
- £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
Events featuring swimming
Full-body workouts in the open water.
Swimming events near me
Select your location for swims in your local area.