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.
September 2026
Mumbles Triathlon on 26 September 2026 features a sea swim in Mumbles Bay, hilly bike routes on the Gower Peninsula and a flat seafront run with Olympic and Sprint options.
Sprint duathlon in Mumbles on 26 September 2026 featuring a 5k run, 32k bike and 5k run with entry from £75.
October 2026
A 400m pool swim followed by a 5km flat tarmac run around Tonyrefail Park on 4 October 2026, with marshals, chip timing and accessible facilities.
Sprint triathlon and relay at Porthcawl Harbour with a 750 m swim, four lap bike and two lap coastal run; British Triathlon membership or race pass required.
A sprint triathlon in Minehead combining a 750m sea swim, 20km bike and 5km coastal run with marshals, chip timing and water safety.
Monthly updates for Margam
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 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.
July 2027
A coastal IRONMAN 70.3 in Swansea Bay with a swim from Prince of Wales Dock, a bike route toward the Gower Peninsula and a city and waterfront run.