Margam
Triathlon Calendar near Margam 2026-2027
Monthly updates for Margam
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Margam for 2026-2027! We've gathered 10 exciting races in the area. Check out our detailed list below to find your next local race.
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 in Swansea with a 750 m dock swim, flat 20 km bike over three laps and a 5 km waterfront run.
July 2027
IRONMAN 70.3 Swansea in Swansea Bay features a swim from Prince of Wales Dock, a flat coastal bike and a run through the city waterfront; relay entries available.
Monthly updates for Margam
Get new running races (and updates) in your inbox every month.
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.
Memorial triathlon at Ebbw Vale Sports Centre on 22 August 2027 with Super Sprint, Relay and junior TriStar races for various ages.
September 2027
Sea swim in Mumbles Bay, a hilly bike around the Gower Peninsula and a flat seafront run; Olympic and Sprint distances available on 04 September 2027.
Sprint duathlon in Mumbles, Swansea on 04 September 2027 featuring a 5k run, 32k bike and 5k run, entry from £75 and GPX course files available.
October 2027
Sprint triathlon in Minehead on 10 Oct 2027 with a 750m sea swim, 20km bike and 5km coastal run finishing on the beach.