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Half Ironman (middle distance) in Wales in Summer

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The most iconic multi-sport adventure race in Wales, combining a lake swim, brutal mountain climbs and a demanding run through Snowdonia’s dramatic, awe-inspiring landscape over a Middle distance tri.
  • Sun 14 Jun 2026
  • £239.99-£259.99
Caernarfon, Gwynedd, UK

Slateman Triathlon & Duathlon | Slateman Legend (70.3) Triathlon

The most iconic multi-sport adventure race in Wales, combining a lake swim, brutal mountain climbs and a demanding run through Snowdonia’s dramatic, awe-inspiring landscape over a Middle distance tri.

  • Chip timing
  • Enter online
  • Hilly
  • Mountainous
  • Age 18 & over
  • 1900 m lake swimming
  • 92.6 km road cycling + 4297 ft ascent
  • 23.1 km trail running + 2723 ft ascent

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