Cardiff Half Marathon
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Got a place already?
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Help out on the day
Run through the heart of Cardiff and experience Wales’ largest road race.
Join our Cardiff Half Marathon team and 27,000 others in a race through the Welsh capital. The Cardiff Half Marathon has grown into one of the largest road races in the UK, taking you through the beautiful scenery and historic buildings of the city centre.
The route will take you past some of the Welsh capital's most iconic landmarks, with stunning scenery and beautiful buildings. Along the way you will pass the glorious Penarth Marina before crossing the barrage and heading to Cardiff Bay, where you will run right through the heart of the bay taking in the Norwegian Church and the Wales Millenium Centre.
The flat roads along this course make this the perfect race for experienced and novice runners alike.
Race day information
Any questions? Click here to read our most frequently asked questions, which should provide you with all the information you need. Or, you can contact the Sports Team on 0300 123 5461.
Support for you
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Training plans and advice
We've teamed up with the experts to give you the very best training support and advice for your event.