Triathlons in Wales
Find triathlons near me in Wales for 2025/2026 - 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.
- Sat 10 May
- £240-£260
- Sat 10 May
- £240-£260
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 22 Jun
- £78.99-£249.99
- Sun 22 Jun
- £78.99-£249.99
Cardiff Triathlon & Duathlon
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
- Sat 2 - Sun 3 Aug
- £31.99-£249.99
- Sat 2 - Sun 3 Aug
- £31.99-£249.99
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
- Sat 10 May
Mumbles Triathlon
- Olympic triathlon
- Half Ironman 2
- Sprint triathlon
- Sun 11 May
AGILIS Llanelli Sprint Triathlon
- 750 m pool swimming
- 22 km road cycling
- 5 km road running
- Sun 25 May
Swansea Triathlon
- 750 m dock swimming
- 20 km road cycling
- 5 km road running
- Sun 8 Jun
Slateman Triathlon & Duathlon
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sat 21 Jun
Menai Holiday Cottages Abersoch Triathlon
- Fun run
- Sprint triathlon
- Olympic triathlon
- Sat 4 Oct
Llandudno Triathlon & Duathlon
- Sprint triathlon
- Olympic triathlon
- Standard duathlon