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RACE PROFILE
Cardiff, Wales·Half Marathon
Next Race · Oct 4, 2026
Wales's national half marathon and one of the UK's biggest road races, with 27,000+ runners taking a fast, flat loop through Cardiff city centre past the Principality Stadium and Cardiff Castle. A ballot-entry race with superb crowd support.
Historically near-ideal running conditions for a strong finish.
Historical data (5-year avg)
“Cardiff Half Marathon is one of 5 races of the new Super Half Series, which also includes the half marathons of Prague, Lisbon, Valencia and Copenhagen.”
— Yanis Nanashi via RaceRaves
“Traveled on vacation to visit family in Wales. Found about this Cardiff Marathon happening about the same time as our visit, had to do it while in the area!”
— mjenn66 via RaceRaves
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