The Brutal Double Iron

Date & Location

Llanberis, North Wales

Organiser’s Description

One of the hardest doubles in the world – The swim in Lake Padarn will be the easiest part of your day. The extremely challenging bike course involves stunning scenery and brutal hills. If you survive the ride, you will then begin a run that involves climbing up and down Snowdon, the highest mountain in Wales! Half and Single options available too, as well as double team relay.


  • 7600 m swim
  • 360 km cycle
  • 84 km run
  • Triathlon
  • Enduro
  • Over Ironman
  • Lake
  • Road

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