9 Triathlons in South Wales

Find triathlons in and around South Wales for 2023/2024 - filter events by date, display on a map or use the advanced search to find your perfect race.

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  • Sat 11 May 2024
  • £69.95-£299
Swansea, West Glamorgan, UK

Mumbles Triathlon

The Mumbles Triathlon will take place in Mumbles, Swansea.

  • Sprint triathlon
  • Half Ironman
  • Sun 30 Jun 2024
  • £88.99-£249.99
Cardiff, Cardiff, UK

Cardiff Triathlon and Duathlon

Located in the iconic Cardiff Bay, this multi-race triathlon and duathlon is one of the most unforgettable city races on the calendar with the event hub on Roald Dahl Plass.

  • Sprint triathlon 2
  • Olympic triathlon
  • Half Ironman
  • Super sprint triathlon
  • Sprint duathlon
  • Sat 6 Jul 2024
  • £110-£190
Tredegar, Gwent, UK

Titan Brecon Middle Distance

Titan Brecon Middle Distance Triathlon is back for 2024, and DB Max is celebrating the 10th year of Titan...

  • Half Ironman
  • Middle aquabike
  • Sun 26 May 2024
  • £79-£110
Swansea, West Glamorgan, UK

UWTSD Swansea Triathlon

Be part of the sprint distance triathlon in this iconic welsh city.

  • 750 m dock swimming
  • 20 km road cycling
  • 5 km road running