Wales
Triathlon Calendar Wales 2026-2027
Monthly updates for Wales
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Wales for 2026-2027! Our updated list features 28 exciting races across the region. Find your next race in Wales below and join the running community at these great events!
July 2027
A coastal IRONMAN 70.3 in Swansea Bay on July 11, 2027 featuring a Prince of Wales Dock swim, a coastal bike to the Gower Peninsula and a run through Swansea waterfront and city.
Open-water swim and coastal trail run along the Pembrokeshire Coast Path on 24 July 2027, with sprint and full distances and solo or team entries.
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.
September 2027
Pool-based sprint and Olympic triathlon at Newport International Sports Village with flat bike and run courses, chip timing and medals for all finishers.
Monthly updates for Wales
Get new running races (and updates) in your inbox every month.
Triathlon y Bala returns to Llyn Tegid with Sprint, Standard and 70.3 distance options plus chip timing, on course support and a lakeside event village.
A seaside sprint triathlon on 11 September 2026 featuring a 750 m sea swim, 20 km bike and a flat 5 km run out to Wisemans Bridge and back.
A multisport IRONMAN event in Tenby with a sunrise swim on North Beach, a hilly bike along the Pembrokeshire coast, and a town centre run with large spectator support.