Scilly Swimrun: St Mary's Full & Half Course

AUG
27
2026
Swimrun around St Mary's, Isles of Scilly offering 8 km and 16 km circumnavigation courses for solo competitors or pairs on 27 August 2026.
Thu 27 Aug 2026
Middle distance 8 8 km Full distance 16 16 km

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St Mary's Swimrun - St Mary's Full & Half Course

The event is a swimrun held on St Mary's, Isles of Scilly, at Porth Mellon in the United Kingdom on 27 August 2026. The course options are a complete circumnavigation of St Mary’s island or a half circumnavigation. Entries are accepted for individuals or pairs. The event is organised by Scilly60 Events.

The event page lists mandatory kit that participants must carry: a wetsuit (not a trisuit), an accessible whistle, and a foldable cup or soft flask. Optional kit items include pull buoys or calf floats, paddles, and a tether to join pairs. Safety provision includes a dedicated medical team on land and sea and a water safety team operating in powerboats.

Practical notes state that participants must arrange their own travel to and from the event; most competitors stay on St Mary’s, and those arriving from other islands need boat transport. Typical water temperatures are given as roughly 14 to 16 degrees Celsius in July and about 15 to 16 degrees Celsius in August. The event is presented alongside other swimrun races held over the same weekend.

Distances Visit the organization's website for the most recent information.

  • 8 km St Mary’s Half Course
  • 16 km St Mary’s Full Course
16 km
St Mary's Full
8 km
St Mary's Half
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