Royal Osteoporosis Society(Registration Number : 1102712)•

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’re the Royal Osteoporosis Society – the UK’s largest national charity dedicated to improving bone health and beating osteoporosis. And we’re here for everyone. We equip people with practical information and support to take action on their bone health. Working with healthcare professionals and policy-makers, we’re influencing and shaping policy and practice at every level. We’re driving the research and development of new treatments, to beat osteoporosis together.

Register for Cardiff Half Marathon

You agree to raising £300.00 and will be charged £52.00 (£50.00 + Booking Fee) for your place.

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You will be charged £52.00 (£50.00 + Booking Fee) for your place
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