October 5, 2025

Cardiff Half Marathon 2025

Name: Cardiff Half Marathon 2025
Start: 2025-10-05
Location: Cardiff Half Marathon 2025

The Cardiff Half is a stunning event that has sold out every year in the last nine years. Expect a festival of activity and special commemorative finishers items to mark the 20th milestone. The event is a part of the SuperHalfs which includes races in Prague, Lisbon, Copenhagen and Valencia. Finishing the race will earn you a stamp in your SuperPassport and count towards completing the series.

Registration fee: £30 (plus VAT)
Minimum fundraising target: £350
Cardiff
October 5, 2025
020 7430 7788
[email protected]

Help to fund lifesaving research

Every step helps fund research into childhood cancers, creating better treatments and brighter futures.

Support for families
in crisis

Your run provides emotional and practical support support for families families facing the challenges of a cancer diagnosis.

Become a champion
for change

You’ll raise awareness and vital funds, helping to ensure no child faces cancer without hope for a brighter future.

What to expect

We would love to have you on our team for this fantastic event. As part of our team, you will receive the following support from us:

Regular emails to provide top tips
Your own Team Children with Cancer UK running vest or t-shirt
A friendly team on hand to support you
A Fundraising Pack containing lots of fundraising advice

Book your place now

Book your place now using the link below. If you are having any issues or have any questions at all, please email us at [email protected] or phone us on 020 7403 7788.

Where your money goes

Every contribution is carefully allocated to fund critical research, provide essential resources to families, and drive greater awareness.

Cancer diagnoses

Every day, around 10 children and young people in the UK are diagnosed with cancer.

New treatments

8 out of 10 young cancer patients can now receive successful treatment, thanks to the specialist research we help fund.

Safer therapies

We are committed to developing safer and more effective childhood cancer treatments with fewer toxic side effects.

Funding research

We invest in crucial childhood cancer research that would otherwise go unfunded.

Fighting childhood cancer
Research	44p
Supporting Families	15p
Raising Awareness	21p