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Olympic triathlons (standard distance) in Wales in June 2026

Find olympic triathlons (standard distance) in Wales in June 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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 Standard distance.
  • Sun 14 Jun
  • £114.99-£141.99
Caernarfon, Gwynedd, UK

Slateman Standard 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 Standard distance.

  • 1500 m lake swimming
  • 49.9 km road cycling + 2765 ft ascent
  • 11.7 km trail running + 1276 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
Step up the challenge with a Standard Distance sea swim, rolling closed-road coastal bike leg and flat, fast run — a rewarding test in a stunning Welsh seaside setting.
  • Sun 28 Jun
  • £114.99-£141.99
Llandudno, Clwyd, UK

Wild Horse Brewing Co. Llandudno Standard Triathlon

Step up the challenge with a Standard Distance sea swim, rolling closed-road coastal bike leg and flat, fast run — a rewarding test in a stunning Welsh seaside setting.

  • 1500 m sea swimming
  • 34.75 km road cycling + 701 m ascent
  • 9.4 km road running
  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over

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