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The Great British Swimrun – 10 Unmissable Events To Do This Summer

Here is a selection of unmissable swimrun races for the summer ahead in Great Britain & the Channel Islands. Discover ten incredible races, there are of course others and many of the organisers listed also host other races. You can see the full calendar of UK Swimruns here.

South East Swimrun Thames Young Mariners: Kingston

A new race to kick-off the season. The only swimrun hosted in London with 2km and 5km options. A great race to dust off the wetsuit or try swimrun as a first-timer. Sunday 21st May 2023.

As Keen As Mustard Mustard Nene Park: Peterborough 

The big one in the south of England is Nene Park. This swimrun literally has it all, from a junior swimrun right up to a 39km monster. Supporting both solo and team entries and is beginner friendly. Saturday 10th and Sunday 11th June 2023.

Great North Swimrun: Windermere

At the other end of the country is the ‘King in the North’. With three course options around a beautiful part of the lake district. Saturday 10 June 2023.

Love SwimRun Llanberis: Eryri (Snowdonia)

A stunning course set against the backdrop of huge mountains. There is some fine lake swimming, challenging climbs and a welcoming atmosphere. Saturday 17th June 2023.

Tal Y Llyn Swimrun: Eryri (Snowdonia)

The day after, Love SwimRun is a gem of course in the southern and quieter part of the national park. Make a weekend of it and do the Welsh double header! Sunday 18th June 2023.

Mad Hatter Roseland: Cornwall

Cornwall’s classic and one of those must-do swimruns. Roseland is tough and challenging, a true swimrun adventure. It is also the only domestic race where you can accrue points and qualify for the ÖTILLÖ World Championship. Saturday 8th July 2023.

The Wales Swimrun: Pembrokeshire

It’s all about Wales. A classic coastal swimrun along a beautiful and unspoilt part of the country. Saturday 22nd July 2023.


This looks like a swashbuckling and scenic event. A 18.5km swimrun around stunning Scottish coastline close to Edinburgh. Saturday 26th August 2023.

Swim Run Jersey: Jersey

Voted the ‘new race of the year’ in the Annual Swimrun Awards. Swim Run Jersey is something special. The full course spans a whopping 53km which takes you around almost the entirety of the island. Saturday 9th September 2023.

Swim Oxford Lock to Lock Swimrun: Oxfordshire

A calm journey around one of the more peaceful sections of the river Thames. Participants can enjoy a good few hours on a splendid 18km course. Sunday 17th September 2023.

Swimrun Coniston

A rugged journey through forest, lakes and fells. Participants can experience the best of the UK Lake District and have the option of a 21km and 45km course. Sunday 24th September 2023.

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