Llantwit Major
Triathlon Calendar near Llantwit Major 2026-2027
Monthly updates for Llantwit Major
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Llantwit Major 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 Llantwit Major
Get new running races (and updates) in your inbox every month.
A sprint triathlon in Minehead combining a 750m sea swim, 20km bike and 5km coastal run with marshals, chip timing and water safety.
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 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.
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.
A short swimrun at Clevedon Marine Lake combining about 6 km of running with 1 km of swimming, offered as full or half distances with individual and team entries.
A Clevedon sprint triathlon with a 750 m lake swim, a fast undulating bike loop and a 5 km seafront and trail run finishing at Salthouse Fields.