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Triathlons in Wales in May 2025
Find triathlons near me in Wales in May 2025 - 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
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
- Sat 10 May
Swansea, West Glamorgan, UK
Mumbles Triathlon | Sprint Distance
- 750 m sea swimming
- 32 km road cycling
- 10 km road running
- Sat 10 May
Swansea, West Glamorgan, UK
Mumbles Triathlon | Olympic Distance
- 950 km sea swimming
- 42 km road cycling
- 10 km road running
- Sat 10 May
Swansea, West Glamorgan, UK
Mumbles Triathlon | Middle Distance
- 1.9 km sea swimming
- 90 km road cycling
- 21 km road running
- Sun 11 May
Llanelli, Dyfed, UK
AGILIS Llanelli Sprint Triathlon
- 750 m pool swimming
- 22 km road cycling
- 5 km road running
- Sun 25 May
Swansea, West Glamorgan, UK
Swansea Triathlon
- 750 m dock swimming
- 20 km road cycling
- 5 km road running