Roy Castle Lung Cancer Foundation(Registration Number : 1046854)•

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 are the only UK lung cancer charity dedicated to helping everyone affected by the disease. We fund essential research and provide much needed support, information and advice. We raise awareness and challenge the misconceptions of lung cancer. We do all this so those affected can expect better.

Register for Cardiff Half Marathon

You will be charged £114.40 (£110.00 + Booking Fee) for your place.

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You will be charged £114.40 (£110.00 + Booking Fee) for your place
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