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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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
Hospitality team take on CDF 10K to raise more than £6K for charity
A team of 62 hospitality workers took on the Brecon Carreg CDF 10K last weekend to raise money for charity.
Record number of entrants take to the capital for the 2024 Brecon Carreg CDF 10K
Thousands of runners and spectators took to the Welsh capital today (Sunday) for the Brecon Carreg CDF 10K – in
Elite athletes battle it out in largest ever Brecon Carreg CDF 10K
A strong field of Elite athletes battled it out on the streets of Cardiff in the Brecon Carreg CDF 10K.
2024 Brecon CDF 10K: Everything You Need To Know
The Brecon Carreg CDF 10K is returning to the Welsh capital on Sunday 1 September 2024. More than 7,000 people
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
ARE YOU THE
FASTEST FIRM?
The Brecon Carreg CDF 10K 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
