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Duathlons in Wales

Find duathlons near me in 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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Click an event for full event details, location, route, sustainability, what's included and how to enter.

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village is on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sat 21 - Sun 22 Jun 2025
  • £37.99-£249.99
  • Sat 21 - Sun 22 Jun 2025
  • £37.99-£249.99
Cardiff, UK

Cardiff Triathlon & Duathlon and Cardiff Bay Swim

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village is on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Urban
  • Coast
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon 2
  • Half Ironman
  • Sprint duathlon
  • + 3 more races
Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Plus swims and trail running events.
  • Sat 2 - Sun 3 Aug 2025
  • £31.99-£249.99
  • Sat 2 - Sun 3 Aug 2025
  • £31.99-£249.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Triathlon & Duathlon, Snowman Swim & Ogwen Yr Helgi Du Trail Runs

Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Plus swims and trail running events.

  • Trees not tees
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Rural
  • Mountains
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • 10K run
  • + 5 more races
  • Sun 9 Mar 2025
Milford Haven, Pembrokeshire, UK

Pembrokeshire Duathlon

  • 5 km road running
  • 21 km road cycling
  • 2.5 km road running
  • Sat 22 Mar 2025
Swansea, West Glamorgan, UK

Mumbles Duathlon

  • Super sprint duathlon
  • Sprint duathlon
  • Sun 8 Jun 2025
Caernarfon, Gwynedd, UK

Slateman Triathlon & Duathlon

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sat 4 Oct 2025
Llandudno, Clwyd, UK

Llandudno Triathlon & Duathlon

  • Sprint triathlon
  • Olympic triathlon
  • Standard duathlon

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