2021 Cardiff Half Marathon

The 19th edition of the Cardiff Half Marathon will take place on Sunday 3 October 2021. 

Two editions of the race will take place in 2021 (the postponed 2020 edition on 28 March). 

Entries for October are now available. The first 5,000 runners to sign up will pay just £37 for an Early Bird Entry (rising to £42) or £32 if they’re affiliated to Welsh Athletics. Those signed up to the R4W Membership scheme can enter for just £33.60 – a 20% saving. 

The last edition sold out in a record three months, and with many discovering a new or renewed passion for running during lockdown, we’re expecting demand to be even higher this time around.