Cardiff Half Marathon 2026

Run for #TeamBreathe in the 2026 Cardiff Half Marathon!

About the event

Join Team Breathe for one of Wales' largest fundraising events. The fast, flat Cardiff half marathon course will take you past all the Cardiff landmarks including Cardiff Castle, The Principality Stadium, Civic Centre and stunning Cardiff Bay. Thousands of spectators will cheer you on while running this amazing course. 

Get your charity place

Secured yourself a ballot place? 

Run for Asthma + Lung UK with no minimum sponsorship! 

Join our team now

What You'll get

  • A running vest to wear on the big day
  • A digital fundraising pack
  • Training plans and access to our expert coaches
  • Access to our Facebook Group to meet other members of Team Breathe 

Get in touch

If you have questions about the event and want to know more, please do not hesitate to contact our events team at events@asthmaandlung.org.uk

Related events

London Landmarks

London Landmarks Half Marathon 2026

London Landmarks Half Marathon - bag your place today!

Great North Run 2026 Charity Places

Ready for a challenge? Join #TeamBreathe for the biggest half marathon in the world! Find out how to get your place and support people with lung disease.
A woman with ginger hair in a pony tail is wearing an Asthma + Lung UK t shirt running the London Marathon. She's looking  directly at the camera smiling and waving and there are other runners in the background.

Brighton Marathon 2026

Join Team Breathe for this beautiful coastal Marathon!