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 2025/2026

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

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
Entries close tomorrow
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
  • Entries close tomorrow
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
  • £32-£46
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
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 6 Jun 2026
  • £35-£54
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
Join over 1,200 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 27 Jun 2026
  • £50
Bournemouth, Dorset, UK

Bournemouth Pier to Pier Swim

Join over 1,200 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
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 12 Jul 2026
  • £45
Eastbourne, East Sussex, UK

Eastbourne Triathlon and Multisport Festival | 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
  • Sun 14 Sep
  • £8-£70
Kingsbridge, Devon, UK

The Thurlestone Arch Race

A brand new race in the South West - Run by Kate and Ivan Burton from Open Water Devon, take part in the first swim race through Thurlestone Arch in South Devon.

  • Sea swim 5

Sea swims near you

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