Ultra swimruns

Ultra swimruns

Amphibious ultra running in spectacular locations!

FAQs

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.

Search by month

Search by place

Map view

Ultra swimruns in 2024/2025

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

Man vs Coast is a 25-mile adventure run in Cornwall featuring natural obstacle challenges such as sea wades and coasteering for the adventurer who wants to make a weekend of it.
  • Sat 5 Jul 2025
  • £119-£129
Marazion, Cornwall, UK

Rat Race | Man Vs Coast

Man vs Coast is a 25-mile adventure run in Cornwall featuring natural obstacle challenges such as sea wades and coasteering for the adventurer who wants to make a weekend of it.

  • 25 miles trail running
3 run legs and 4 swim legs totaling 16.5 miles is the long swimrun event of the Something Wild Festival, from the beautiful coastal venue of Hope Cove.
  • Sun 31 Aug 2025
  • £40-£55
Kingsbridge, Devon, UK

Rocky Horror SwimRun | Long

3 run legs and 4 swim legs totaling 16.5 miles is the long swimrun event of the Something Wild Festival, from the beautiful coastal venue of Hope Cove.

  • 2000 m sea swimming
  • 15 miles trail running