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Triathlons in Wales
Find triathlons in Wales in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 9 May 2026
- £250-£270
Pwllheli, Gwynedd, UK
THE ROC WALES
The totally unique ROC format, from Abersoch Bay to the top of Wales’ highest mountain and back. Swim, Bike, Mountain, Bike, Run; THE ROC WALES is triathlon - tough and redefined.
- Recycling
- Plastic bottle free
- Entertainment
- Music
- Chip timing
- Enter online
- Hilly
- Mountainous
- Event village
- Event expo
- Coast
- Mountains
- Sustainability policy
- Plastic-free event
- Age 18 & over
- 1.5 km sea swimming
- 100 km road cycling
- 13 km multi terrain running + 3330 ft ascent
- Sun 6 Sep 2026
- £98.99-£259.99
Bala, Gwynedd, UK
Triathlon Y Bala
Start with a water swim in beautiful Llyn Tegid against a mountain backdrop, then push through scenic bike and run routes on fully closed roads around Bala, North Wales.
- Carbon offset
- Recycling
- Beginner-friendly
- Plastic bottle free
- Dogs allowed at venue
- Music
- Event village
- Rural
- Mountains
- Free venue entry
- Sustainability policy
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman