Day One Trauma Support(Registration Number : 1194227)

Cardiff Half Marathon

Date: 05th Oct 2025

Minimum Age: 17

Deadline: 01st Aug 2025

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.

Cardiff Half Marathon

In the briefest of moments, a catastrophic injury can shatter someone’s life. Surviving is just the start. Most do not get the full support they need throughout the daunting process of recovery. We’re there for people for as long as it takes, because we believe no one should be left to rebuild their life on their own.

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Register for Cardiff Half Marathon

You will be charged £20.80 (£20.00 + Booking Fee) for your place.

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You will be charged £20.80 (£20.00 + Booking Fee) for your place
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