Cardiff Half Marathon 2026 British Heart Foundation Charity Run

The Cardiff Half Marathon is one of Europe’s largest half marathons and is Wales’ largest mass participation event. Take part in this charity event and run past the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.

There are 2 entry options for Cardiff Half Marathon.

How to enter

Charity places

Our charity places are now sold out. You can register your interest today and we will reach out if a charity place becomes available.

To get a charity place, you'll need to pay an entry fee of £10 and commit to raising a fundraising target of £250. Your charity place with us includes entry into the event plus additional benefits.

£10 registration fee
£250 fundraising target.

If you’ve already got a place for Cardiff Half Marathon, you can still sign up to run and fundraise for BHF. There’s no entry fee and no fundraising goal. You'll still receive all the same benefits and support as a charity place runner.

No registration fee
No fundraising target - raise as much as you can.

I have my own place

You'll get support from BHF to get you to the finish line.

Your entry includes:

a BHF running top or vest
free training plans and support
a fundraising guide with information and tips
regular support from BHF
access to our Team BHF Facebook group.

The easiest way to start fundraising is by setting up a JustGiving page.

You can share your page with friends and family and on social media.

We also have a wealth of fundraising resources for you. You can:

You might be an experienced runner, or this might be your first official race. Either way we’d recommend some training before taking on this kind of run.

In order to help you reach the finish line, we've put together some top tips on nutrition and some running training schedules.

Learn about nutrition for sport

See our running training plans

Join our event day team of volunteers

There’s nothing quite like the buzz of event day - but behind every incredible running event are the volunteers who bring it all to life. That’s where you come in. Motivating runners at a cheer point fuels the experience and helps us make the day unforgettable.

Why volunteer?

Volunteering at a running event is fun, fast-paced, and genuinely rewarding.

You’ll:

be part of an enthusiastic, friendly team
help to create an amazing event-day atmosphere
support vital fundraising that powers lifesaving research
gain experience, meet new people, and make a real impact.

Whether you can give a few hours or the whole day, every moment you contribute makes a difference.

What you’ll do

Roles vary, but could include:

welcoming and supporting participants
cheering runners on at key course points
supporting event leads to keep everything running smoothly.

Clear briefings and support will be provided - just bring your energy!

Who can join?

Anyone over 18 years old is welcome. Bring a friend, gather a group, or come along solo - you’ll be part of a supportive team from the moment you arrive.

Be part of something bigger

Your time helps fund breakthroughs, brings people together, and creates experiences runners remember for years. You won’t just be helping an event run smoothly - you’ll be helping drive real change.

Volunteer for us

Cardiff Half Marathon