Neath
Triathlon Calendar near Neath 2026-2027
Monthly updates for Neath
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Neath for 2026-2027! We've gathered 11 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Two day triathlon in the Brecon Beacons with a 2 mile seated SUP, 47 mile bike, 13 mile Pen y Fan hike and charity fundraising, limited to 30 places.
Sea swim in Mumbles Bay, a hilly bike around the Gower Peninsula and a flat seafront run in Olympic and Sprint distances on 26 September 2026.
Sprint duathlon in Mumbles on 26 September 2026: single lap 5k run, 32k bike, 5k run with entry from £75 and GPX course files available.
October 2026
A 400 m pool swim followed by a 5 km run on flat tarmac around Tonyrefail Park, held in October at Tonyrefail Leisure Centre.
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.
Monthly updates for Neath
Get new running races (and updates) in your inbox every month.
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.
Sprint triathlon in Swansea waterfront with a 750 m dock swim, a flat 20 km closed-road bike over three laps, and a 5 km run; entry from £84.99.
June 2027
Middle distance triathlon at Parc Bryn Bach with a 1.2 mile lake swim, 60 mile bike and 13.1 mile three-lap run, plus Aquabike and relay options.
July 2027
Race in Swansea Bay featuring a swim from Prince of Wales Dock, a flat coastal bike route onto the Gower Peninsula, and a run through Swansea city and waterfront.