Wales
Triathlon Calendar Wales 2027
Monthly updates for Wales
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Wales for 2027! Our updated list features 35 exciting races across the region. Find your next race in Wales below and join the running community at these great events!
July 2027
A Swansea Bay triathlon with a swim at Prince of Wales Dock, a flat coastal bike route and a run through Swansea city and waterfront areas.
Swimrun on the Pembrokeshire coast with full and sprint options, solo or team entries, ENVOL endorsed, taking place on 24 July 2027.
August 2027
Conquer the highest peak in Wales through a 36 km multi-activity journey involving cycling, trekking to the summit of Snowdon, and kayaking across Llyn Padarn in a single day.
Sprint triathlon in Barry, Wales on August 15, 2027 with a 750 m swim, a mapped bike course and a 5 km run; entries open soon.
Monthly updates for Wales
Get new running races (and updates) in your inbox every month.
A memorial triathlon at Ebbw Vale Sports Centre on 22 August 2027 offering Super Sprint, Relay and youth TriStar races with accessible facilities.
Chapel Bogathlon on 28 August 2027 is a mini triathlon across boggy terrain with a 60 yard swim, 2 mile cycle and 1 mile run; entry £15 with category and fancy dress prizes.
September 2027
Sea swim in Mumbles Bay, a hilly bike around the Gower Peninsula and a fast flat seafront run; Olympic and Sprint distances from £79.
Sprint-format duathlon in Mumbles on 04 September 2027: 5k run, 32k bike, 5k run with entry from £75 and GPX course files available.
Pool-based sprint and Olympic triathlon at Newport International Sports Village with flat bike and run courses, chip timing and medals for all finishers.
A lake triathlon at Llyn Tegid offering Sprint, Standard and 70.3 Legend distances, chip timing, an event village and a charity partnership with Tom Harrison House.
Seaside sprint triathlon on 17 September 2027 with a 750 m swim, 20 km bike and 5 km run along the Saundersfoot seafront amid large spectator crowds.
A lake to mountain triathlon in Llanberis, North Wales offering standard, half, full and double distances with solo or 2 to 4 person team options.
IRONMAN Wales in Tenby features a sunrise swim at North Beach, a coastal bike route through Pembrokeshire and a town run with strong spectator support.
A beach-to-forest triathlon on Ynys Môn with sea swims, mixed road and trail legs, multiple distances including a 70.3 option and live chip timing.