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Cardiff Half Marathon
Sun, 05 Oct
|Cardiff Castle
The Cardiff Half Marathon has grown into one of the largest and most exciting road races in Europe
Time & Location
05 Oct 2025, 08:00 – 19:00
Cardiff Castle, Cardiff CF10 3RB, UK
About the event
races in Europe. It is Wales’ largest mass-participation and multi-charity fundraising event and the second largest half in the UK. Its flat, fast course passes all the city’s most breath-taking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay. Thousands of spectators turn out to cheer on the runners in a city renowned for its sporting passion.
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