Cardiff Half Marathon

Take part in the Principality Cardiff Half Marathon on the 6th October 2024 and raise money for a cause you care about.

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With Principality Cardiff Half Marathon you can guarantee beautiful scenery, iconic landmarks and historic buildings. The flat route is ideal for seasoned runners and for those looking to take on their first half-marathon challenge! It’s also the largest road race in Wales, with over 27,500 runners taking part each year.


The closed road route begins at Cardiff Castle, taking you past the Principality on the way through Penath, winding down to Cardiff Bay through docks and back towards Cardiff City Centre. You’ll complete a loop of Roath Park lake before heading back to the centre to finish at the Civic Centre at the heart of Cardiff. Throughout the route you’re guaranteed plenty of cheers on race day and the race promises to be an incredible experience that you won’t forget in a hurry! The event village is the perfect place to celebrate at the end of the race, once you’ve collected your finishers medal of course.


Are you ready to raise money for amazing charities and clock up those miles in the city’s must-do event? Smash your finish time and your fundraising target with JustGiving. We’ve got practical fundraising advice and handy guides, so you can focus on what’s important – crossing the finish line of this iconic race. Don’t miss out on your chance to be a part of Principality Cardiff Half Marathon 2024.

Getting started

Start fundraising for a charity

Choosing a charity to raise money for can seem like a difficult task. Whichever incredible charity you choose to support you’ll be raising money for an amazing cause. Once you’ve completed the event, you can collect your finishers medal and celebrate in the event village!

Get a place

Sign up to get a place in the Principality Cardiff Half Marathon or apply for a charity place.

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Raise money for charity

Millions of people are already fundraising for their fave
charities on JustGiving. Set up your page in minutes.

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Our fundraisers

Jonathan’s Cardiff Half

Dad-of two, Jonathan, took part in the Cardiff Half Marathon as a thank you to the Charity that helped save his life following a mountain bike accident.

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Ashmole & Co’s Cardiff Half

A team of staff from Ashmole & Co, one of south Wales’ largest accountancy firms, ran the Cardiff Half Marathon to help raise funds for the DPJ Foundation, a mental health charity.

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Hamish’s Cardiff Half

Rosie, a Jack Russell adopted from Dogs Trust, joined her owner, Hamish, on his final few training runs as he prepared to take on the Cardiff Half Marathon for the charity.

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