Merthyr Tydfil
Triathlon Calendar near Merthyr Tydfil 2026-2027
Monthly updates for Merthyr Tydfil
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Merthyr Tydfil for 2026-2027! We've gathered 8 exciting races in the area. Check out our detailed list below to find your next local race.
October 2026
Experience an end of season sprint triathlon in Porthcawl featuring a harbour swim, a multi lap town cycle, and a flat coastal run along the Bristol Channel.
March 2027
A duathlon at Margam Country Park combining trail runs around the castle and lake with rolling road bike courses featuring short climbs and fast flat sections.
May 2027
Sprint triathlon in Swansea city centre with a 750 m swim, 20 km bike (three laps) and 5 km run on a flat, largely closed and marshalled waterfront course.
June 2027
A middle distance triathlon at Parc Bryn Bach featuring a lake swim, a 60 mile bike through the Brecon moors and a three-lap 13.1 mile run; an aquabike option is available.
Pool based triathlon at Caldicot Leisure Centre on 26 June 2027 with an indoor swim, traffic free grass cycle circuit, multiple distances, relay and kids races.
Monthly updates for Merthyr Tydfil
Get new running races (and updates) in your inbox every month.
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.
August 2027
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.
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.