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Sunday 5 September 2027

The CDF 10K is an iconic event with over 40 years of history, established in 1986. Runners take over the Welsh capital, with an electric atmosphere and a route that hits the city’s biggest landmarks, including Cardiff Castle and the Principality Stadium.

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Kilometre Race

Organised by Run 4 Wales (R4W)

The CDF 10K is 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, Porthcawl 10K, Barry Island 10K, Always Aim High Events and more.

Check out a full calendar of events, and find your next challenge!

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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 £5, when pledging to raise £125.

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News

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<strong>Cardiff parties for the 40<sup>th</sup> anniversary of Kidney Wales CDF 10K</strong>

Cardiff parties for the 40^th anniversary of Kidney Wales CDF 10K

This year marked the 40th anniversary of the Kidney Wales CDF 10K – and the whole city came out to

2026 Kidney Wales CDF 10K Athlete Preview

Jenny Long, nee Nesbitt (32:19) and Dan Nash (29:23) are the leading entries for the flat and fast Kidney Wales

‘We sell the city’: Looking back to the origins of the Kidney Wales CDF 10K

This year marks the 40th anniversary of the Kidney Wales CDF 10K – the iconic road race which showcases the

2026 Kidney Wales CDF 10K: Everything You Need To Know

The Kidney Wales CDF 10K will be returning to the Welsh capital on Sunday 6 September 2026 and this year

Best friend’s kidney donation powers woman to run the Kidney Wales CDF 10K

A mother-of-two from Cardiff is taking on the Kidney Wales CDF 10K to raise money for the event’s title sponsor

Celebrate at the Kidney Wales CDF 10K with Kilted Dragon

Kilted Dragon Distillery will be coming to the Kidney Wales CDF 10K joining the event as its Celebration Supporter. The

ROUTE

ROUTE

The 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.