Worldwide Cancer Research

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.

Cardiff Half Marathon

At Worldwide Cancer Research, we start new cancer cures worldwide to ensure no life is cut short by cancer

We are the UK charity that aims to stop cancer by starting new cancer cures worldwide. We will bring forward cancer breakthroughs that reveal new ways to prevent, diagnose and treat cancer. Become a Curestarter today and turn your compassion into action.

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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