Run Cardiff Half Marathon for charity

Challenge yourself by taking part in Wales’s largest road race and the UK’s second-largest half marathon. Your charity run can raise money for Sightsavers and change lives around the world.

On this page

Runners pass by the Wales Millennium Centre on the way to the Cardiff Half Marathon finish line.

On this page

This half marathon route is flat and fast, making it ideal for beginners and those chasing that personal best.

The course takes you past some of the city’s spectacular scenery and iconic landmarks, including Cardiff Castle, the Principality Stadium, Cardiff Civic Centre and the stunning Cardiff Bay.

You can also expect huge crowd support, with thousands of spectators turning out to cheer on runners.

Event information

When: Sunday 4 October 2026
Where: Cardiff, UK
Registration fee: £31.20
Fundraising target: £300

How to register

Please note: registration has closed for the 2026 event.  

The entry fee is £31.20, and we ask runners to raise £300 for our vital charity work.

We’re here to support you with your fundraising and help you to smash your target. Visit our fundraising page for ideas or email [email protected].

Your run, your impact

The £300 you raise could pay for three cataract operations for children at risk of sight loss.

Got your own place?

If you’ve already signed up for this event, you can still fundraise for us. Before you become a Sightsavers fundraiser, you need to have confirmed your place with the race organiser. This means registering directly and paying your registration fee.

Already registered and paid your fees? Please email us on [email protected] or call 01444 446 600 to tell us.

More fundraising support

Kalpesh Patel and the other fundraisers before and during their sponsored run.

Inspiration: meet our fundraising heroes

From a dedicated dentist to a young swimming sensation, meet some of Sightsavers’ inspiring fundraisers. Ready to join them and make a difference?
Social Media pages

Fundraising tips: how to set up an online fundraising page

Learn how to set up a fundraising page on JustGiving or Facebook, including tips, advice, suggested wording and graphics.
Charity runner Anya smiles broadly while holding her race medal.

Find your next fundraising event

Running, skydiving, gaming and more: we have guaranteed charity places for popular events, plus loads more exciting challenges to help you raise money for us.

Any fundraising questions? Drop us a line!

Group of people wearing Sightsavers yellow t-shirts.

Please do get in touch with any queries. We’d love to hear from you!

Email [email protected]

For answers to some of the most common queries, see our frequently asked questions.

Start your fundraising journey with us

Fundraise for Sightsavers