Now!
Sunday 7 September 2025
The Brecon Carreg CDF 10K gives thousands of runners the opportunity to take to the streets in the heart of the Welsh capital. This iconic and historic event had been added to Run 4 Wales (R4W)’s portfolio of world-class mass participation events, and is set to become one of the UK’s largest distance events.
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Kilometre Race
Organised by Run 4 Wales (R4W)
The Brecon Carreg CDF 10K is now operated by R4W, a not-for-profit social enterprise that works in partnership with London Marathon Events (LME).
Its portfolio of major sporting events includes the iconic Cardiff Half Marathon, ABP Newport Marathon Festival, Brecon Carreg Cardiff Bay 10K, Porthcawl 10K and Dell Technologies Management Challenge.
Check out a full calendar of events, and find your next challenge!
Run for Lead Charity Kidney Wales!
Run for #TeamKW and help raise vital funds for those living with chronic kidney disease in Wales.
Those opting to raise money for Kidney Wales can enter for just £1, when pledging to raise £125.
News
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Join Team Kidney Wales at the Brecon Carreg CDF 10K 2025
This World Kidney Day Run 4 Wales is encouraging people to join Team Kidney Wales at the Brecon Carreg CDF
Woman joins Team Kidney Wales after seeing impact on mum
Kidney Wales are once again lead charity partner of the Brecon Carreg CDF 10K which will be coming to the
Meet Chloe: A #TeamKidney Wales Runner and Renal Nurse in the Making
A student nurse from Swansea is taking on the Brecon Carreg CDF 10K to raise money for Kidney Wales –
New Sponsor Announced for CDF 10K Business Challenge
Scimitar Sports has been announced as the new sponsor of the CDF 10K Scimitar Business Challenge. The custom sportswear supplier
Get ready to run the Run 4 Wales 10K Series 2025
The Run 4 Wales 10K series is back for 2025 and runners are being challenged to conquer the races and
Date announced for 2025 Brecon Carreg CDF 10K
Runners looking to take part in the fastest growing 10K in Wales need to set their alarms for Thursday 28
ROUTE
ROUTE
The Brecon Carreg CDF 10K takes runners on a sightseeing tour of the city, with highlights including Cardiff Castle and the Principality Stadium. The race journeys through the heart of central Cardiff, before crossing the River Taff and heading towards the leafy suburb of Pontcanna and the grade 2 listed parkland of Llandaff and Pontcanna Fields. Runners will then pass Sophia Gardens, the home of Welsh cricket, before a grandstand finish in the Edwardian Civic Centre.
GALLERY
GALLERY
BUSINESS CHALLENGE
The Scimitar Business Challenge is a fantastic opportunity for teams to compete to win prizes whilst taking advantage of additional event experience benefits.
UP TO
40
CHALLENGE TEAMS
UP TO
300
CHALLENGE RUNNERS
PARTNERS
