Rethink Mental Illness(Registration Number : 271028)•

Cardiff Half Marathon

Date: 05th Oct 2025

Minimum Age: 17

CF10 3RB

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.

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Cardiff Half Marathon

We improve the lives of people severely affected by mental illness through our network of local groups and services, expert information and successful campaigning. Our goal is to make sure everyone severely affected by mental illness has a good quality of life.

Register Your Interest

Our spots for this event have all been filled. But we would love for you to take part for us when new spots become available. Please register and we will inform you when that happens

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