Genesis Trust Bath(Registration Number : 1154253)

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

Genesis Trust Bath helps people affected by poverty in all its forms, homelessness, mental ill-health, and other complex needs. We provide immediate practical help in times of crisis and offering longer-term support and opportunities for people to overcome poverty, make healthy choices, rebuild their lives, improve their wellbeing and work towards new beginnings and a better future. 

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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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