Sea swimming events

Sea swimming events

Explore the rolling waves and vast horizons of the open sea in these sea swimming events!

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Sea swims in the UK

A true test of your swimming confidence is heading into the deep for an event in the sea. From crystal clear waters abroad to the icy embrace of the North Sea, events held in the sea are unlike anything found inland. Cruise through waves to earn some spectacular experiences!

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Sea swimming events in 2025

Featured events are listed below - select a month/region or the map view to see all events.

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 7 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
The beautiful seaside town of Eastbourne welcomes swimmers of all abilities and experience back for the Eastbourne Triathlon's swimming-only event! Enjoy a sea swim with a pier backdrop.
  • Sun 8 Jun
  • £40
Eastbourne, East Sussex, UK

Eastbourne Triathlon | 1500m Swim

The beautiful seaside town of Eastbourne welcomes swimmers of all abilities and experience back for the Eastbourne Triathlon's swimming-only event! Enjoy a sea swim with a pier backdrop.

  • 1500 m sea swimming
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.
  • Sun 15 Jun
  • £25-£99
Torpoint, Cornwall, UK

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
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!
  • Sun 29 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. This beach has an excellent water quality record!

  • Sea swim 3
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 5 Jul
  • £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
A supported half-a-mile or one-mile sea swim, ideal for people new to sea swimming, from South Milton Sands, with a full safety team and part of the Something Wild Festival Weekend.
  • Sat 30 Aug
  • £40
Kingsbridge, Devon, UK

The Rock Hard Coast Sea Swim

A supported half-a-mile or one-mile sea swim, ideal for people new to sea swimming, from South Milton Sands, with a full safety team and part of the Something Wild Festival Weekend.

  • 1.5 miles sea swimming
The swim-only event of the renowned Brighton and Hove Triathlon from the famous seafront promenade! Open water swimmers can soak up one of the biggest events in the triathlon calendar.
  • Sun 31 Aug
  • £45
Brighton, East Sussex, UK

Brighton and Hove Triathlon | 1500M Swim

The swim-only event of the renowned Brighton and Hove Triathlon from the famous seafront promenade! Open water swimmers can soak up one of the biggest events in the triathlon calendar.

  • 1500 m sea swimming
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 21 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
  • Sun 29 Jun
  • £60
Swanage, Dorset, UK

Seahorse Swim

The Seahorse Swim is held at Knoll Beach in Studland Bay. The event consists of a 2km and 3.8km course around buoys and is open to wetsuit and non-wetsuit swimmers.

  • Sea swim 2
  • Sun 20 Jul
  • £45-£396
Eastbourne, East Sussex, UK

TriBourne Festival of Endurance

Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.

  • Ironman
  • Half Ironman
  • Long aquabike
  • Middle aquabike
  • Marathon
  • + 2 more races

Sea swims near you

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