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Triathlon Calendar near Llanarthney 2026-2027

Monthly updates for Llanarthney

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Explore the top triathlons near Llanarthney for 2026-2027! We've gathered 12 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Open water aquathlon series in 2026 with three race dates offering sprint, mini sprint and super sprint distances at Secret Bar & Kitchen.
A muddy mini triathlon on 29 August 2026 with a 60 yard bog swim, 2 mile cross country cycle and 1 mile run. Competitors start three minutes apart and entry is £15 with age, gender and fancy dress prizes.
September 2026
Seaside sprint triathlon on 11 September 2026 with a 750 m sea swim, 20 km bike and a flat 5 km seafront run; entry from £94.95.
A full-distance IRONMAN in Tenby, Wales featuring an ocean swim on North Beach, a hilly bike along the Pembrokeshire coast and a town-centre run with large spectator support.
Sea swim in Mumbles Bay, a hilly bike around the Gower Peninsula and a fast seafront run; Olympic and Sprint distances, Ocean Lava qualifier on 26 September 2026.
Sprint duathlon in Mumbles on 26 September 2026: 5 km run, 32 km bike, 5 km run; entry from £75 and GPX course maps available.
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.
April 2027
A mixed trail and road duathlon at the National Botanic Garden of Wales with two 5 km runs and a 30 km road cycle loop through Carmarthenshire countryside.
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.
A city-centre sprint triathlon on the Swansea waterfront with a dock swim and flat three-lap bike and 5 km run, entry from £84.99.
July 2027
A coastal IRONMAN 70.3 in Swansea Bay on July 11, 2027, featuring a swim from Prince of Wales Dock, a bike route along the coastline and a run through the city waterfront.
Swimrun along the Pembrokeshire Coast National Park with full and sprint routes, solo or team options; entries are currently closed.
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