Cardiff Half Marathon 2027

Take on the Cardiff Half Marathon 2027 for Mental Health UK and be part of #TeamMentalHealthUK.

Date: Sunday 3 October 2027
Deposit: £29 (refunded when you hit your target)
Your fundraising target: £450

For a charity place with Mental Health UK, register through RealBuzz today:

A Mental Health UK running top to wear with pride

Dedicated support from the Challenge Events team

Access to the Mental Health UK Strava group

Tips and advice to help you smash your fundraising target

Helpful training information and resources

Knowledge and awareness of the impact you make

Join #TeamMentalHealthUK

Get ready to run through the Welsh capital while supporting Mental Health UK!

Lace up and join us for the Cardiff Half Marathon on Sunday 3 October 2027. Every step you take will help raise vital funds for mental health support across the UK. Join us for a memorable day of running, community and making a difference.

Since it began in 2003, the Cardiff Half has grown into one of the UK's leading road races, with around 27,500 runners. It's part of the SuperHalfs series.

Along the route: a flat course that takes in Cardiff Castle, the Civic Centre and Cardiff Bay.

The atmosphere: big crowds and entertainment along the way, and a 10am start.

Our Cardiff Half places are booked through our partner realbuzz:

1. Sign up and pay a £29 deposit on realbuzz, choosing Mental Health UK as your charity.
2. Set up your fundraising page. realbuzz will email you everything you need.
3. Reach 75% of your £450 target around 2–3 months before race day to confirm your place. Hit 100% and your deposit is refunded.

Got Questions?

Get in touch with our friendly events team at events@mentalhealth-uk.org