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Cardiff Half Marathon 2021

Sunday 3 October 2021 Cardiff Half Marathon Runs

An update from the Events team

Last updated on 29 October 2020

It has been confirmed that the 2020 Cardiff Half Marathon has been postponed again until Sunday 3 October 2021.

All participants that already have a place in the event will be automatically moved across to the new event date. We'll be in touch with our current team to update fully on their options.

If you have any questions then please get in touch with us at

Join our team for one of the most exciting road races in the UK and go further, faster for a cure!

The Cardiff University Cardiff Half Marathon is now one of Europe's largest half marathons and is Wales’ largest mass participation and multi-charity fundraising event. It promises to deliver the full works so sign up today and we'll be with you every step of the way!

I want a Charity place

Got your own place?

We'd love you to run for us, so let us know to get your free fundraising pack and Charity running vest and and we'll support you every step of the way!

I have my own place

This event is organised by Run 4 Wales Ltd.

If you have any questions, don't hesitate to get in touch with the events team or call 01252 237867.

Event details

When: Sunday 3 October 2021

Where: Cardiff city centre

Registration fee: £25

Sponsorship: £350

Supporting you

You'll receive support from the Challenge Events Team including:

Looking for an alternative run local to this event?

Click below to to find a place, sign up and run for us!