Brynmill
Triathlon Calendar near Brynmill 2026-2027
Monthly updates for Brynmill
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Brynmill for 2026-2027! We've gathered 7 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.
Sprint triathlon on Swansea waterfront with a 750m swim, 20km bike in three laps and a 5km run; entry from £84.99 on 23 May 2027.
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 Brynmill
Get new running races (and updates) in your inbox every month.
September 2027
Sea swim in Mumbles Bay, a hilly bike around the Gower Peninsula and a fast flat seafront run; Olympic and Sprint distances from £79.
Sprint-format duathlon in Mumbles on 04 September 2027: 5k run, 32k bike, 5k run with entry from £75 and GPX course files available.