Cardiff Half Marathon October 2022

One of Europe’s largest and most prestigious half marathons, Cardiff is fast, flat and lively! Join our Welsh #TeamCALM and go for your life. Pob Lwc!

Places are not yet on sale for 2022 – check back or join us in October 2021.

Whilst you’re here… Join the CALM Running Collective

As we carry on planning the best on the day supporter experience in the biz, check out and join the CALM Running Collective. It’s a place for runners of every age, shape, and ability – we share training tips, encouragement, stories, failures and successes. It’s about a shared passion and mission, using exercise to look after yourself, and each other during these confusing times.