1 Long duathlons in Wales

Find long duathlons in and around Wales for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Events calendar

Click an event for full event details, location, route, sustainability, what's included and how to enter.

  • Sat 7 Sep
  • £195-£295
Caernarfon, Gwynedd, UK

Seriously Brutal Duathlon | Full Distance

Take on the World’s hardest Duathlon…

  • 15.6 miles multi terrain running
  • 116 miles road cycling
  • 9.5 miles multi terrain running

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