Cardiff Half Marathon 2025

The Cardiff Half Marathon has grown into one of the largest and most exciting road races in the United Kingdom. 

Its flat, fast course passes all of the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.

For more information, please visit: https://www.cardiffhalfmarathon.co.uk/

As part of our team, you'll receive fantastic support from the moment you sign up all the way until you reach the finish line. We'll also provide you with:

• A free Cerebral Palsy Cymru running vest to wear with pride while you train and on race day. 
• Support from our friendly fundraising team who will be cheering the loudest along the route! 
• Access to our private Facebook group so that you can meet your fellow teammates. 

Absolutely! 

The Cardiff Half Marathon is a predominately flat and fast course makes it ideal for beginners and elites, and our friendly fundraising team will be there to support you every step of the way.

The  13.1mile route takes runners past the capital’s most iconic landmarks with beautiful scenery and historic buildings. 

Charity is at the heart of the Cardiff Half Marathon – where many of the other runners will also be raising money for fantastic good causes.

Entries are open to everyone aged 17 and over who feels able to complete the race within the cut-off time of 4 hours 30 minutes. 

Whether you decide to run, walk or jog the course, every step you take and every pound you raise will make a huge difference to children and families across Wales living with cerebral palsy.