2026 Cardiff Half Marathon
Take on the 2026 Cardiff Half Marathon with Rethink Mental Illness and help transform lives through better mental health support.
Run the 2026 Cardiff Half Marathon
Take on the incredible 2026 Cardiff Half Marathon, one of the UK’s largest and most exciting road races, and run for Rethink Mental Illness.
With its fast, flat course and unbeatable Welsh crowd support, Cardiff is the perfect place to challenge yourself while making a real difference.
By running for Rethink Mental Illness, you’ll help support people severely affected by mental illness, campaign for better services, and challenge stigma.
Run with purpose. Run with Rethink.
The details
Date: 4 October 2026
Date:
4 October 2026
Cost: £29
Cost: £29
Target: Minimum £440
Target:
Minimum £440
FAQs
How much do I have to fundraise?
We ask all fundraisers participating in the event to pledge to raise a minimum of £440.
How much do I have to pay per place?
To secure your place you are required to pay a fee of £29
How do I fundraise?
As part of the set-up process, you are automatically set up a fundraising page with us. You can share this online with friends and family and host in person events to contribute to your fundraising. We are always on hand to answer any questions, and will help you every step of the way.
Are there fundraising resources for me to have access to?
Yes! We have lots of resources to help you maximise your fundraising, they can be found here: Rethink Mental Illness : Support for your fundraising
What is the route for the Cardiff half marathon?
Part of the coveted SuperHalfs Series, the iconic route takes in all of the city’s most famous landmarks including Cardiff Bay, the Civic Centre and Cardiff Castle.
See full route here: The route | Half Marathon
What happens if I can no longer take part?
You should let us know as soon as possible, so we can reallocate the place to another fundraiser.
- Free Rethink Mental Illness running vest once you hit £75 raised
- Tips and advice on your run
- Support on your fundraising journey
- One to One support from the Events team
- Access to resources to support your fundraising
Get involved!
Ready to help those affected by mental illness? Join in with the challenge!
Share with your running buddy and run together!
Run for Rethink and help us to
Provide a home for someone in supported accommodation
Increase the number of support groups across the country so more people can access this vital support
