When: 5 October 2025
Charity price: £30
Fundraising pledge: £300
The Cardiff Half Marathon has grown into one of the largest and most exciting road races in Europe. It's Wales' largest mass-participation and multi-charity fundraising event and the second largest half in the UK Sign up now!
The Cardiff Half's flat, fast course passes all the city’s most breath-taking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay. Thousands of spectators turn out to cheer on the runners in a city renowned for its sporting passion.
If you have a place in the 2025 Cardiff Half Marathon, you can still run for team Shout and we'll still support you every single step of the way!
We simply ask you to please fundraise as much as you can for our life-saving crisis service. Set up your fundraiser below and we'll be in touch.
Shout is the only free, confidential, 24/7 text messaging support service for anyone in the UK struggling to cope. Every 53 seconds, someone reaches out to us in distress.
By running the Cardiff Half Marathon and raising £300 for Shout, you could help us to support 30 children, young people and adults in their moment of crisis.
That support could be life-saving.
My volunteer listened to my worries and gave me the space to go through things. It was helpful to try to focus. She was kind to me when i wasn't feeling kind to myself.
Shout texter feedback
Everything you need to spread the word about your fundraiser with friends, family and beyond.
Manish took on his biggest running challenge yet - a half marathon in Portugal - to raise vital funds for Shout.
Run, trek or climb for Shout. Joining one of our once-in-a-lifetime fundraising events can help people access life-saving mental health support.