Merthyr Mawr
Triathlon Calendar near Merthyr Mawr 2026-2027
Monthly updates for Merthyr Mawr
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Merthyr Mawr 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.
A coastal sprint triathlon in Minehead featuring a 750 m open water swim, a 20 km out and back bike route towards Porlock, and a 5 km seafront and trail run, with individual and mixed relay entries and optional medal and t shirt packs.
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-distance triathlon in Llanelli with a 750 m open water swim, 26 km bike and 5 km run; includes relay entries and forms part of the Llanelli Multi-Sport Festival.
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.
Monthly updates for Merthyr Mawr
Get new running races (and updates) in your inbox every month.
July 2027
IRONMAN 70.3 Swansea on July 11, 2027 combines a swim from Prince of Wales Dock, a coastal flat bike course and a run through Swansea city and the waterfront.
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.