Cardiff Half Marathon
The Cardiff Half Marathon has grown into one of the largest and most exciting road races in the United Kingdom. It is now one of Europe's largest half marathons and is Wales' largest mass participation event.
It's a flat, fast course which passes all of the city's most breath taking scenery and iconic landmarks including Cardiff Castle, The Principality Stadium, Civic Centre and stunning Cardiff Bay.
When: 5th October 2025
Where: Cardiff
Registration fee: £30
Minimum Sponsorship: £350
Join #TeamMarvellous
We will be with you every step of the way. Sign up to run in aid of Roald Dahl's Marvellous Children's Charity and receive:
- Help and support from our dedicated fundraising team
- Fundraising materials including stickers, collection tins, badges and more
- A Roald Dahl's Marvellous Children's Charity Running Vest or T-Shirt
- Finishers medal from the race organisers
Charity Place
Apply for a charity place in the race
Registration fee: £30
Minimum Sponsorship: £350
Own Place
If you already have your own place in the race, we'd love for you to join our team.
Register your interest in the Cardiff Half Marathon
Any Questions
If you'd like more information about joining our team and fundraising for our charity, please contact our Fundraising Team at fundraising@roalddahlcharity.org
