Cardiff Half Marathon 2025

One of the fastest half-marathon events, ideal for beginners and elites!

If you’re looking for a challenge this is the race for you!

The race starts outside Cardiff Castle and down past Cardiff City Stadium on the way to Penarth. You will be taken past the glorious Penarth Marina, Cardiff Bay , and Wales Millennium Centre. Finally, you will do a loop of the beautiful Roath Park Lake before heading back to the city centre to finish.

Cardiomyopathy UK running vest Fundraising advice from our dedicated fundraising team Training Videos and plan from our team coach Post-race reception at a venue near the finish line so you can celebrate with your friends and family Post-race shower and massage Cheer stations to encourage you along the way

Secure your charity place with #TeamCardio:

Pay a registration fee of £20 and pledge to raise a minimum of £350 for Cardiomyopathy UK to guarantee your place at this popular event.

Join #TeamCardio with your own place:

If you’ve already secured a place in this event, you can still join #TeamCardio. Register with us to receive a Cardiomyopathy UK running vest and support from our wonderful fundraising team. With your own place there's no minimum fundraising target, just raise as much as you can to change the lives of people living with cardiomyopathy.

I have my own place

Fundraising safely

Many of those who take on half marathons for Cardiomyopathy UK have a connection to cardiomyopathy. We have a policy to ensure that anyone undertaking a half marathon through a charity place with us can do so safely. To read our policy on fundraising safely, click here.

Contact us

If you'd like to speak to a member of our fundraising team, call 01494 791 224 or email fundraising@cardiomyopathy.org.