Since it was founded in 2003, the Cardiff Half Marathon has established itself as one of the UK’s leading road races and one of the biggest events in Europe.
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.
Event Details
- Date:
- 4 October 2026
- Location:
- Cardiff
- Registration Fee:
- £30
- Fundraising Target:
- £350

We will be with you every step of the way:
- Dedicated fundraising support, including a fundraising pack and regular updates
- Your own GBSS t-shirt or running vest
Own place
If you are lucky enough to get a place in the ballot, you can choose to run for Team GBSS. There’s no minimum fundraising pledge and you still get all the great team benefits when you set up your fundraising page.
Got your own place for this event?
Got a question?
We would love to hear from you and answer any question you may have about taking on the Cardiff Half Marathon for Group B Strep Support. Call the fundraising team on 0330 120 0795 or e-mail fundraising@gbss.org.uk.









