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2026 Cardiff Half Marathon

Take on the Cardiff Half Marathon

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Date

Sunday 4 October 2026

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Location

Cardiff

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Distance

Half marathon

Join the Cardiff Half Marathon 2026

Whether you already have your own place or you'd like a charity place, join Team Cancer Research UK for the Cardiff Half Marathon 2026 and play your part in supporting vital cancer research.

Get a charity place

We can offer you a Cancer Research UK charity place in the 2026 Cardiff Half Marathon. Sign up to raise vital funds for research and help us beat cancer. Entry fee: £10 Minimum fundraising target: £300

Use my own place

Once you've secured your place in the 2026 Cardiff Half Marathon, use it to join Team Cancer Research UK and fundraise for vital cancer research. No extra entry fee, you'll have already paid the event organiser. Set your own fundraising target with your fundraising page.

How to join Team Cancer Research UK

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Step: 1

Decide whether you'll enter with your own place or get a charity place

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Step: 2

Sign up to get Team Cancer Research UK perks

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Step: 3

Get fundraising for life-saving research

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Step: 4

Get over that finish line and smash your fundraising target

About the 2026 Cardiff Half Marathon

The Cardiff Half Marathon has grown into one of the largest and most exciting road races in the United Kingdom. Its flat, fast course passes all of the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.

Join Team Cancer Research UK and take on a half marathon through the capital of Wales with an awesome atmosphere and big crowds!

Cardiff Half Marathon route map

Download route map(JPG, 257 KB)

Why run for Cancer Research?

Meet Bridie

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On the day of my first Great North Run I wore my Cancer Research UK vest with pride, I was so happy to be taking part.

- Bridie

The difference your money makes

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100 CRUK runners taking part in the Cardiff Half Marathon

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Hitting their fundraising targets to raise £64,500

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Could buy a DNA sequencing machine to help learn more about cancer

Team Cancer Research UK runners receive

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A personalised Cancer Research UK cycling t-shirt or vest

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Training tips and plans to help you prepare

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Fundraising support to help you smash your target

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An official finisher’s medal for completing your race

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Get training support

We've teamed up with experts to give you the best training support and advice for your event. Whether it's your first time training or you're looking to smash a PB, we've got a training plan for you.

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Get fundraising support

We're with you every step of your fundraising journey so you can smash your target. Once you've signed up, we'll send you everything you need to get going such as fundraising ideas, top tips, planners and posters.

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Get kitted out

We worked with Scimitar to create Cancer Research UK sportswear that’s comfortable, looks great and supports our vital work. 20% of the price of these products will be paid to Cancer Research UK.

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