Cardiff Half Marathon

Where: Cardiff
When: 4th October 2026
Registration Fee: £35
Minimum sponsorship: £400

The Cardiff Half Marathon has grown into one of the largest and most exciting road 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.

Show your support for Headway - the brain injury association and take part in this unbelievable event in Cardiff. 



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