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Cardiff Half Marathon 2026
Join Team Breathe for Cardiff Half Marathon 2026!
4th October 2026
Cardiff Half Marathon is part of the global SuperRun series and is one of the largest half marathons in Europe! Its flat, fast course passes all of the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.
What you’ll get
- An Asthma and Lung UK t-shirt when you raise £100
- Digital badges to collect on your fundraising page
- A personalised running vest for the big day
- Individually tailored advice from professional running coaches
- Opportunities to learn about the work you’re funding
- The loudest cheer points on the route!

