Sunday 7 October 2018   

Cardiff Half Marathon

Event Information

Date: Sunday 7 October 2018

Location: Cardiff

Distance: 13.1 miles

Registration fee: £37

Minimum sponsorship pledge: Raise as much as you can

The Cardiff Half Marathon is Wales' largest mass participation event. Starting at Cardiff Castle, this fast and flat route will take you past the capital’s most iconic landmarks with beautiful scenery and historic buildings.

Running through Cardiff Bay and Roath Park is simply stunning and defines what a fantastic half marathon this is! To sign up, click through the event organiser to register.

Once you’re all signed up, complete our own place form to get your training and fundraising started!

Join Team Now

Join Team Now and you’ll not only get your very own Breast Cancer Now technical running vest, but access to our exclusive online Training Zone, plus the complete support of our experienced Challenge Events Team and a fundraising pack with everything you’ll need to raise money.

You’ll also get an invitation to join our exclusive running team Facebook group, so you can chat to your fellow runners to share training tips and words of encouragement.

To find out more visit the Cardiff Half Marathon FAQs page

The race starts outside Cardiff Castle on Castle Street at 10am. The race will finish on King Edward VII Avenue. The race village is at City Hall Lawn outside Cardiff’s City Hall.

Contact information

We would love to hear from you and answer any questions you may have.

Call our Challenge Events team on 0203 714 2358 or email You can also enquire about an event by completing our online form.

Sign up