Cardiff Half Marathon 2025

Sunday, 5 October 2025, 10:00

Cardiff City Centre, Cardiff, CF10 3RB View Map

Take on the Cardiff Half Marathon and support those affected by cancer.

We'd love you to join #TeamTenovus at the Cardiff Half Marathon in 2025!

Make your miles matter and give help, hope and voice to people affected by cancer in Wales and beyond. 

​Together with our inspiring community of supporters, volunteers, and fundraisers, we’re determined to be here for everyone affected today, tomorrow and beyond.

CHARITY PLACE RUNNERS​

To become one of Tenovus Cancer Care's charity place runners sign up for just £10 when you pledge to raise £250 sponsorship for our charity. Don't worry, our helpful and professional fundraising team will be there to support you the whole way!

OWN PLACE RUNNERS

If you alreayd have your own place, but still want to support cancer patients, you can still join Team Tenovus as an own place runner. You'll receive the same support as our charity place runners, but there's no minimum fundraising target meaning you can select a target that's right for you.

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Cardiff Half Marathon 2025

Charity Place

Join us as a charity place runner when you raise 250.00 to support our vital work in giving help, hope and a voice to all those affected by cancer. Registration Fee including VAT.

£10.00
Register

Cardiff Half 2025 Own Place

Own Place

If you already have your OWN PLACE, but want to support our work, you can join as an OWN PLACE runner. Please ensure you already have your OWN PLACE before singing up to this option.


Register

Cardiff Half 2025 Earlybird Registrations

Earlybird Registrations

To use this entry you must have received an early bird entry code from a member of the fundraising team.


Register

Why run for Tenovus Cancer Care?

Whether you are a charity place runner or you have your own place and have chosen to fundraise for us, as part of our team you'll receive the best support from our expert fundraising team. We'll provide:

  • Your own Team Tenovus running top/vest
  • Access to our Team Tenovus Facebook group - allowing you to exchange training tips with other runners
  • Our fundraising guide - with lots of hints and tips
  • Access to Tenovus Cancer Care materials - such as balloons, collection tins, posters
  • All the social media support you could ask for
  • A friendly and professional team of fundraisers, on hand to help you every step of the way
  • The best support on the day, with friendly faces to join you at the beginning and end of the race! 

If you have any questions about the Cardiff Half Marathon or about fundraising, please get in touch with our team on 02920 768863 or email [email protected] 

Our team will aim to get back to you within 2-3 working days. 

Places for the Cardiff Half Marathon are extremely sought after, if you are unable to take part in the event, please do let us know as soon as possible. If you are unable to take part, we unfortunately will not be able to offer a refund on your registration.