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Cardiff Half Marathon 2023

 Registration is closed for this event
Secure your place in the Cardiff Half Marathon 2023 in support of Endometriosis UK! The predominantly flat and fast course makes it ideal for beginners and more experienced runners.


Support the 1 in 10 with endometriosis by running one of the largest and most exciting road races in the UK!

Now a member of the SuperHalfs, a global series of the world's most prestigious half marathons including races in Prague, Lisbon, and Copenhagen, Cardiff Marathon is one of Europe's largest half marathons!

This flat, fast course passes all of the city's most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, and stunning Cardiff Bay.

There will be thousands of spectators on the day to cheer you on as you take on this challenge! This is sure to be a day to remember.

Endometriosis can be a difficult and isolating illness, every penny you raise will help us to support those living with the disease by helping to fund our helpline and support groups.

Receive your running vest and fundraising pack when you sign up for just £25.

The minimum fundraising target is £250. If this is a barrier for you please contact us to discuss at

1st October, 2023 from 10:00 AM to  5:00 PM
United Kingdom
Event Fee(s)
Non-Refundable Registration Fee £25.00