Cardiff Half Marathon 2021

  • Asset 1 Cardiff
  • Asset 2 3 October 2021
  • Asset 3

    13.1 miles

  • Asset 6

    Registration fee: £10

    Minimum sponsorship: £250

Asset 5

Join Team Asthma UK in this fantastic event.

For more information, please contact our Events Team

0300 222 5800

Run for Asthma UK in the largest mass-participation event in Wales, taking in iconic landmarks such as Cardiff Castle and the stunning Cardiff Bay along the 13.1-mile route.

Join Team Asthma UK for your own Team Asthma UK running vest, dedicated support from our events team, fundraising guides and more!

Already have a place in the event?

If you have already secured your place in the Cardiff Half Marathon and would like to run for Asthma UK - we'd love to have you join our team!

There is no registration fee or minimum fundraising target; we simply ask that you raise what you can and you'll receive our full support package.

I have my own place



If you have any questions about signing up for this event, please do not hesitate to contact our Events Team on 0300 222 5800 or email

Please note that this event is not organised by Asthma UK.