Cardiff Half Marathon
5 October 2025
The Cardiff Half Marathon 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.
Please note that your registration fee will be reimbursed once you reach you fundraising target.
Register to run and raise funds for TCF here.
Support our work
Each year thousands of parents suffer the loss of a son or a daughter. Please help TCF to support families in their time of greatest need.
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Whatever your contact with TCF we encourage you to give us feedback so that we can continue to improve our support.
