Date
Sunday 4 October 2026
Location
Cardiff
Distance
Half marathon
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.
Charity Places have now sold out for the 2026 Cardiff Half Marathon. You can still join the waiting list and we will contact you if a place becomes available. Entry fee: £10 Minimum fundraising target: £300
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.
Step: 1
Decide whether you'll enter with your own place or get a charity place
Step: 2
Sign up to get Team Cancer Research UK perks
Step: 3
Get fundraising for life-saving research
Step: 4
Get over that finish line and smash your fundraising target
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!
Download route map(JPG, 257 KB)
100 CRUK runners taking part in the Cardiff Half Marathon
Hitting their fundraising targets to raise £64,500
Could buy a DNA sequencing machine to help learn more about cancer
A personalised Cancer Research UK cycling t-shirt or vest
Training tips and plans to help you prepare
Fundraising support to help you smash your target
An official finisher’s medal for completing your race
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.
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.
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.
