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3 October 2027

Cardiff Half Marathon 2027

Event type

Run

Event date

October 3 2027

Charity place registration

£10 + £300 sponsorship

Register for the 2027 Cardiff Half Marathon

The Cardiff Half Marathon has grown into one of the largest and most exciting road races in the United Kingdom, with over 27,500 registered runners

The flat, fast course will return in 2027 and will pass all of the city’s most breath-taking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, and the stunning Cardiff Bay.

Each participant will need to commit to raising a minimum of £300 in sponsorship for this event. Shortly after registering you will be given a dedicated contact here at Cancer Research Wales who will support you through every step of this exciting journey.

Your race entry will also include:

  • Bespoke fundraising pack
  • Regular event updates
  • Support from our Running Club Facebook group
  • Information on Cancer Research Wales and our latest research projects
  • Branded Cancer Research Wales running t-shirt (when £50 of fundraising target has been achieved)
  • An opportunity to create a brighter future for cancer patients in Wales and their families

By registering for this event with Cancer Research Wales, you agree to the Event Participant Terms and Conditions, and agree to share your data with the event organisers and partners.

Your support matters, and we’d love to keep in touch with you about our research and other ways you can help make a difference to people affected by cancer in Wales, including campaigning, fundraising and volunteering. We will stay in contact by post every now and again unless you ask us not to do so by using the contact details below.

Please let us know if you would like to hear from us by email, via newsletter or phone.

You can opt out at any time, so if you change your mind about hearing from us, or how we contact you, please phone us on 02921 855050 or email us at contact-us@cancerresearchwales.org.uk

We promise to keep your details safe and will never sell them to any third parties. Your information may be processed on our behalf by carefully selected suppliers. Please see our Privacy Policy to find out more about your rights, and how we manage, use and look after your personal information.

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Every week in Wales, 175 families lose a loved one to cancer. We are working to make sure that the people of Wales don't have to accept cancer as a life-threatening disease. But we need your support. Donate today and help bring better treatments closer to home for patients across Wales.
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