Ultra swimruns

Ultra swimruns

Amphibious ultra running in spectacular locations!


Ultra swimruns in the UK

Often encompassing more than 75K and even spanning over two days, ultra-distance swimruns can be a proper endurance challenge. Originating with the ÖtillÖ (Swedish for "island-to-island") Series, this event type now appears on the coast, along rivers and around lochs. Select your location for ultra swimruns in your area or scroll down to see events coming up.

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Ultra swimruns in 2024

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

  • Sat 25 May
  • £85-£165
Saint Austell, Cornwall, UK

Precision Fuel & Hydration Hokey Cokey St Austell | Strong Course

The Hokey Cokey is Cornwalls toughest multi-sport event, don't be deceived by the distances this is a testing event and a real challenge!!!

  • 5.2 km sea swimming
  • 13.8 km trail running
  • Sat 8 Jun
  • £304
Windermere, Cumbria, UK

Great North SwimRun | Endurance

Teams of two can tackle six running sections and seven swim sections in this endurance course of the Great North SwimRun adventure.

  • 4060 m lake swimming
  • 34.77 km trail running
  • Sun 22 Sep
  • £225
Coniston, Cumbria, UK

Swimrun Coniston | Full course

A swimrun adventure through the stunning forests, lakes and fells of the Lake District National Park. Book your place today and join as a team or solo this September!

  • 6.5 km lake swimming
  • 38.7 km trail running + 1050 m ascent