Swimming events calendar

Swimming events calendar

Dive in to swimming events - from small charity swims to the biggest mass participation events in the world.

📷 24hr Swim Relay

190 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.

Sea swims

Sea swims

Discover swimming events all around the coasts of the UK!

Find out more
Lake swims

Lake swims

Sign up to a swimming event in your local lake or find a major charity swim.

Discover more
River swims

River swims

The UK is built from a rich network of rivers - explore them here!

Find a swim
Charity swims

Charity swims

Swim and raise money for a good cause at the same time.

Find a swim

Swimming events in 2024

Featured events are listed below - select your region to see all events.

The UK's Number 1 Mountain Festival! Sport, Speakers, Live Music, Activities, Good Times. A full multi-sport and entertainment festival with exciting new changes for 2024!
  • Fri 17 - Sun 19 May
  • £30
Keswick, Cumbria, UK

Keswick Mountain Festival

The UK's Number 1 Mountain Festival! Sport, Speakers, Live Music, Activities, Good Times. A full multi-sport and entertainment festival with exciting new changes for 2024!

  • 5K run
  • 10K run
  • Half marathon
  • 50K ultra run
  • Fell run
  • + 12 more races
Triathlon and swim events at Roadford Lake, offering a range of distances to suit all ability levels in a safe environment, with camping options to enjoy the area after your event.
  • Sun 19 May
  • £58-£135
Lifton, Devon, UK

Roadford Lake Triathlon

Triathlon and swim events at Roadford Lake, offering a range of distances to suit all ability levels in a safe environment, with camping options to enjoy the area after your event.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
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.
  • Sun 19 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.

  • Lake swim 4
Race through the beautiful grounds and surrounding area of stunning South Galway on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 25 - Sun 26 May
  • £26-£295
Gort, Ireland

Lough Cutra Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of stunning South Galway on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Sprint triathlon 3
  • Super sprint triathlon
  • Novice triathlon
  • Sprint duathlon
  • Sprint aquabike
  • + 17 more races
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.
  • Sun 26 May
  • £20-£75
Marlow, Buckinghamshire, UK

The One on the River | Marlow

Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Super sprint duathlon
  • Sprint duathlon
  • + 10 more races
Race through the Grand Canal and the historic forest and town of Chantilly on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 8 - Sun 9 Jun
  • £28-£295
Chantilly, France

Chateau de Chantilly Triathlon and Multisport Festival

Race through the Grand Canal and the historic forest and town of Chantilly on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 10 more races
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.
  • Sat 8 Jun
  • £30-£47
Dartmouth, Devon, UK

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
Set at the spectacular, flat, and smooth-surfaced Dorney Lake near Windsor, this multi-sport event is for the ones that enjoy being by the water and offers a selection of activities for all levels.
  • Sun 16 Jun
  • £23-£75
Windsor, Buckinghamshire, UK

The One for the Planet powered by Climategames

Set at the spectacular, flat, and smooth-surfaced Dorney Lake near Windsor, this multi-sport event is for the ones that enjoy being by the water and offers a selection of activities for all levels.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Super sprint duathlon
  • Sprint duathlon
  • + 13 more races
Join this exhilarating Endurance Weekend in the stunning Chiltern Hills! Whether you seek a weekend of endurance, picturesque sights or a chance to bond with fellow athletes, this is your opportunity!
  • Fri 21 - Sun 23 Jun
  • £8-£125
Chesham, Buckinghamshire, UK

ATW Chiltern Endurance Weekend

Join this exhilarating Endurance Weekend in the stunning Chiltern Hills! Whether you seek a weekend of endurance, picturesque sights or a chance to bond with fellow athletes, this is your opportunity!

  • Lake swim 6
  • Ironman
  • Half Ironman
  • Long sportive 2
  • Medium sportive 2
  • + 7 more races
Race through the beautiful grounds of the Cholmondeley Castle estate on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 22 - Sun 23 Jun
  • £28-£295
Malpas, Cheshire, UK

Cholmondeley Castle Triathlon and Multisport Festival

Race through the beautiful grounds of the Cholmondeley Castle estate on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Relay triathlon 2
  • Kids triathlon 4
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • + 15 more races
A unique, team endurance swimming challenge for all abilities. Gather a team of between 1 to 8 swimmers and swim for an hour each, for 24 hours!
  • Sat 22 - Sun 23 Jun
  • £40
Bedford, Bedfordshire, UK

24hr Swim Relay: Box End Park

A unique, team endurance swimming challenge for all abilities. Gather a team of between 1 to 8 swimmers and swim for an hour each, for 24 hours!

  • 24 hrs lake swimming
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.
  • Sat 29 Jun
  • £50
Bournemouth, Dorset, UK

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
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. What a venue!
  • Sun 30 Jun
  • £42-£79
Torquay, Devon, UK

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. What a venue!

  • Sprint triathlon
  • Olympic triathlon
  • Novice triathlon
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.
  • Sun 30 Jun
  • £24-£44
Torquay, Devon, UK

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.

  • Sea swim 3
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.
  • Sun 14 Jul
  • £25-£110
Marlow, Buckinghamshire, UK

The One on the River | Marlow

Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • + 10 more races
Race through the beautiful grounds and surrounding area of stunning Leicestershire on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 27 - Sun 28 Jul
  • £28-£295
Grantham, Leicestershire, UK

Belvoir Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of stunning Leicestershire on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Kids triathlon 4
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • + 14 more races
Triathlons at Dawlish Warren, a safe and supported environment for sea swimming, with a range of triathlon distances to offer a great challenge in a scenic location.
  • Sun 22 Sep
  • £42-£61
Dawlish, Devon, UK

Dawlish Triathlon

Triathlons at Dawlish Warren, a safe and supported environment for sea swimming, with a range of triathlon distances to offer a great challenge in a scenic location.

  • Super sprint triathlon
  • Sprint triathlon
  • Sprint aquathlon
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.
  • Sun 22 Sep
  • £29-£49
Dawlish, Devon, UK

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
Taking place across the scenic Thames Valley area with routes going through Culden Faw Estate. Swim the river, cycle the hilly open roads, run through the trail paths enjoying great views.
  • Sun 22 Sep
  • £25-£110
Marlow, Buckinghamshire, UK

The One on the River | Henley

Taking place across the scenic Thames Valley area with routes going through Culden Faw Estate. Swim the river, cycle the hilly open roads, run through the trail paths enjoying great views.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint aquabike
  • Standard aquabike
  • + 4 more races
Race through the beautiful grounds and surrounding area of Hever Castle on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 28 - Sun 29 Sep
  • £28-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of Hever Castle on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 16 more races

Swimming event guides

Guides to swims and related activities.

3 reasons to start open water swimming
  • 10 mins read
  • 24 Jan 2023

3 reasons to start open water swimming

From cold water therapy to time spent in the great outdoors, open water swimming is your express ticket to feeling happier and healthier this year.

Swim runs

Swim runs

Swim in your running shoes and run in your wetsuit. Then repeat.

Swim run
Triathlons

Triathlons

Swim-bike-run events of all distances plus novice and kids events.

Tri it out
Aquathlons

Aquathlons

Run-swim-run in this dynamic multi-sport!

Find events
Aquabikes

Aquabikes

Triathlon without the run events.

Tri with no run

Swimming events near me

Select your location for swims in your local area.