Asthma + Lung UK•

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

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Register for Cardiff Half Marathon

You agree to raising £350.00 and will be charged £36.40 (£35.00 + Booking Fee) for your place.

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You will be charged £36.40 (£35.00 + Booking Fee) for your place
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