17 Triathlons in North Wales

Find triathlons in and around North Wales for 2023/2024 - filter events by date, display on a map or use the advanced search to find your perfect race.

Filter by date

Filter by place

Map view
A totally unique race from sea level to the top of Wales’ highest mountain and back again. THE ROC WALES is triathlon - tough and redefined.
  • Sat 11 May 2024
  • £230-£240
Pwllheli, Gwynedd, UK

THE ROC WALES

A totally unique race from sea level to the top of Wales’ highest mountain and back again. THE ROC WALES is triathlon - tough and redefined.

  • 1.5 km sea swimming
  • 100 km road cycling
  • 13 km multi terrain running + 3330 ft ascent
  • Plastic bottle free
  • Music
  • Chip timing
  • Enter online
  • Hilly
  • Mountainous
  • Event village
  • Coast
  • Mountains
  • Sustainability policy
  • Plastic-free event
  • Age 18 & over
  • Half Ironman (middle distance)
  • Sun 9 Jun 2024
  • £89.99-£249.99
Caernarfon, Gwynedd, UK

Slateman Triathlon and Duathlon

The most iconic adventure triathlon and duathlon in Wales. Starting in Llanberis, the heart of Snowdonia’s industrial heritage this unparalleled race combines stunning scenery with epic challenges.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Standard duathlon
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Rural
  • Mountains
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 17 & over
  • Events
  • Sat 22 Jun 2024
  • £85
Pwllheli, Gwynedd, UK

Menai Holiday Cottages Abersoch Triathlon

The Abersoch Triathlon offers a fantastic challenge in a stunning location, loved by all levels of triathletes, finishing on Abersoch Beach.

  • Sprint triathlon
  • Olympic triathlon
  • Plastic bottle free
  • Music
  • Rural
  • Coast
  • Sustainability policy
  • Plastic-free event
  • Age 16 & over
  • Triathlons
  • Sat 3 - Sun 4 Aug 2024
  • £89.99-£249.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Triathlon and Duathlon

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • 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 17 & over
  • Events
  • Sat 14 - Sun 15 Sep 2024
  • £89.99-£249.99
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Superfeet Sandman Triathlon and Duathlon

The final part of the Adventure Championships and a fitting close to the most epic multi-terrain, adventure triathlon and duathlon series in the calendar.

  • Sprint triathlon 2
  • Olympic triathlon 2
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • Families
  • Trees not tees
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Rural
  • Coast
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Events
  • Sun 29 Sep 2024
  • £89.99-£125.99
Llandudno, Clwyd, UK

Llandudno Triathlon

Returning for a third year with the addition of a duathlon, this event explores the popular holiday town of Llandudno and the Welsh coastline, with the Irish Sea retaining its summer warmth.

  • Sprint triathlon
  • Olympic triathlon
  • Standard duathlon
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Coast
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Events
  • Sun 14 Apr 2024
  • £66.99-£81.99
Harlech, Gwynedd, UK

Harlech Triathlon

Set under the castle's watchful eye, the Harlech Sprint Triathlon is one of the best loved races on the calendar.

  • 400 m pool swimming
  • 21.5 km road cycling
  • 5 km multi terrain running
  • Newcomers
  • Music
  • Chip timing
  • Enter online
  • Event village
  • Age 15 & over
  • Sprint triathlons