Relay triathlons in Gwynedd
Find relay triathlons in Gwynedd in 2026/2027 - 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
- £250-£270
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 14 Jun
- £85.99-£449.99
Slateman Triathlon & Duathlon
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.
- Carbon offset
- Recycling
- Beginner-friendly
- Plastic bottle free
- Dogs allowed at venue
- Music
- Event village
- Rural
- Mountains
- Free venue entry
- Sustainability policy
- Public transport links
- Age 17 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Ironman
- Standard duathlon
- Sun 6 Sep
- £98.99-£259.99
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
- Sun 27 Sep
- £76.99-£259.99
Superfeet Sandman Triathlon and Duathlon
An unforgettable adventure triathlon, The Sandman has been described as one of the most beautiful and thrilling multi-terrain races in the UK, offering a unique experience for athletes of all levels.
- Families
- Trees not tees
- Recycling
- Beginner-friendly
- Plastic bottle free
- Music
- Event village
- Event expo
- Rural
- Coast
- Free venue entry
- Sustainability policy
- Public transport links
- Plastic-free event
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon