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UK Swimming Events

Showing 1 - 12 of 16 results
MAR31
Registration Perks
Bicester TriathlonBicester, GB

This is a family, pool-based triathlon with a rural bike around surrounding villages and a traffic-free run. A great intro for novices or a chance for more experienced athletes to lay down a marker!

This particularly spectator-friendly triathlon has the swim section at Bicester and Ploughley Leisure Centre with ample spectator viewing and the run section completely enclosed in Bicester Community College sports ground. The 20km bike route leaves transition at the sports field for a 2 lap circuit of Bicester and surrounding villages including Bucknell and Middleton Stoney.

£18 - £45
Sprint • Other • Aquabike - Sprint
Bicester Triathlon
MAY26
Registration Perks
Marlow Classic River SwimMarlow, GB

This is the original Marlow River Swim which is now in its 9th year.

There are 2 distances to choose from this year that will cater for both beginners and experienced swimmers.

River Swim - Consisting of a single lap out and back swim in the River Thames for all the distances with clear markings on the buoys on when to turn. The River has a very calm and steady flow, which makes it the perfect event for anyone looking to take part in their first swim.

£20 - £25
3km • 1.5km
Marlow Classic River Swim
JUN9
Registration Perks
As Keen As Mustard Nene Park SwimRunPeterborough, GB

As Keen As Mustard Swimrun is a epic adventure race incorporating Open water swimming and mixed terrain running.

A new dual sport based on open water swimming and trail running. An endurance event we have adapted for the adventures. No transitions, you run in your swimming kit and swim in you running kit.

£45 - £180
Middling Mustard Half - Solo & Team • Mild Mustard Sprint 10K
As Keen As Mustard Nene Park SwimRun
JUN23
Registration Perks
Monster TriathlonFort Augustus, Highland, GB

Spanning 7 days the Monster Triathlon is the UKs ultimate multi-sport challenge.

The event established itself as one of the toughest endurance challenges in the UK, covering 1,000km between Loch Ness and London across 3 disciplines.

It starts with a 5km swim in Loch Ness, before 5 stunning days on the bike and finishes with an ultra-marathon along the Thames. For those unable to tackle the beast in one go we are offering Swim, Cycle and Run only packages this year. Youll pass lakes, climb mountains, ride past fields, fly through villages, cross rivers and conquer hills. As well as being an epic challenge The Monster Triathlon also highlights the beauty and diversity of the UK. There are 7 days of meticulously planned routes, with full support teams in attendance at every start, finish, on the route and at hotels.

If youre not ready to attempt the whole Monster Triathlon this year then why not take on one of our discipline-specific challenges?

You can enter the full Monster Triathlon or just one of the three individual legs. To enter the Monster Triathlon or the Cycle leg, initially, you only need to pay a 60 deposit. You can pay the balance later on.

£50 - £1,499
Other • Swim Leg Only • Cycle Leg Only • Ultramarathon
Monster Triathlon
JUN23
Registration Perks
As Keen As Mustard Box End SwimRunBedford, GB

As Keen As Mustard Swimrun is a epic adventure race incorporating Open water swimming and mixed terrain running.

A new dual sport based on open water swimming and trail running. An endurance event we have adapted for the adventures. No transitions, you run in your swimming kit and swim in you running kit.

£45 - £180
Middling Mustard Half - Solo & Team • Mild Mustard Sprint 10K
As Keen As Mustard Box End SwimRun
JUL5
Registration Perks
The Wales SwimTenby, GB

Amazing location, blue flag beaches, and an atmosphere that really is electric, you won't want to miss it. Be part of Wales' most scenic swim. Many athletes across the UK - as well as from overseas - include the swim as a great get-away race in the season. With amazing scenery, blue flag beaches, and an atmosphere that really is electric, you won't want to miss it.

£50
2.4 miles • 1.2 miles
The Wales Swim
JUL5
Registration Perks
Taff KidsTenby, GB

The opening event for Long Course Weekend sees kids take part in their very own amazing event. Tackling a surf run and then a run across the beach to the huge crowds at the finishline!

Taff Kids is fantastic fun for any of the kids taking part with a final run distance set for different age groups. Did we mention it amazing fun and you get an awesome free T-Shirt?!

£10
Aquathlon (6-11 year)
Taff Kids
JUL14
Registration Perks
Fugitive Open Water Swim – MarlowMarlow, GB

This is a NEW Marlow Fugitive Open Water Swim! There are 2 distances to choose from this year that will cater for both beginners and experienced swimmers.

River Swim - Consisting of a single lap out and back swim in the River Thames for all the distances with clear markings on the buoys on when to turn. The River has a very calm and steady flow, which makes it the perfect event for anyone looking to take part in their first swim. So get your wetsuit on and get involved!

£25 - £30
3km Swim • 1.5km Swim
Fugitive Open Water Swim – Marlow
AUG3
Registration Perks
The Swim To The Edge Series – Solva SwimPembroke Dock, GB

The Swim to the Edge is part of the Solva Edge Festival weekend when the idyllic harbour village, which lies in the middle of the Pembrokeshire coast national park has a celebration of sport, music and arts. The swim itself is one of the most scenic and challenging open water swims in the UK and with two distances available we have something for everyone

£30 - £40
The Green Monster • The Black Run
The Swim To The Edge Series – Solva Swim
AUG31
Registration Perks
BallyGally Beach SwimBallygalley, Larne, GB

Situated on the world famous Antrim Coast Road you will find BallyGallys award winning beach, nestled under the Sallagh Braes and home to the historic BallyGally Castle.

Views of the infamous North channel and the Mull of Kintyre will meet you as you stand ready for a running beach start into the chilly waters of BallyGally.

£20 - £25
3.1 Mile • 2.4 Mile • 1.2 Mile
BallyGally Beach Swim
OCT6
Registration Perks
Brackley TriathlonBrackley, GB

Now approaching its 8th year this family friendly triathlon has the swim section at the new simming pool at Brackley Leisure Centre with transition area immediately outside. Family pool based triathlon with enclosed junior events and an adult rural bike around surrounding villages with attractive offsite & fully enclosed traffic free bike and run.

Adults choose a one or two lap 14 or 28km bike course and a one or two lap 2.5 or 5km run course, both taking in the beauty of Brackley and surrounding villages and countryside.

Sprint distance Aquabike. Swim and bike only option for the sprint distance. Those opting for the aquabike complete the course as normal but head straight for the finish after the bike section.

£18 - £55
Sprint • Other • Aquabike - Sprint
Brackley Triathlon
APR27
The ROCLon Golff, Abersoch, Pwllheli LL53 7EF, United Kingdom
50km return bike • 1km run • 50km Bike • 1.2km Sea Swim • 12km to Snowdon Summit & Back
The ROC
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What you need to know about swimming

Swimming races and open water swimming events generally tend to be between 1—10km in length, however, more challenging swims can be up to 80km long. Swims over 10km are classed as Marathon Swims, These events take place in lakes or in the sea, often with a great atmosphere and a festival vibe. If you’re just starting out, get some practice in a pool first, temperature and choppiness are factors to consider before diving in.

From a quick dip in Dorney lake to mastering the Windermere One Way, we’ve collected some of the best open water swimming races below. If you’re feeling adventurous and want to throw in some other disciplines, you can check out our pages on Swimrun & Triathlon too.

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