KidneyWales Cardiff 10K: four-hour rolling road closures

demoduck.co.uk editorial team 2026-08-28 11:08 Updated: 12:34 2 min read

Aerial view of Penarth Marina road network near Cardiff city centre in Wales

Thousands of runners are expected in Cardiff city centre on Sunday 6 September 2026 for the KidneyWales Cardiff 10K. The 10K race, organised by KidneyWales and aimed at runners, is scheduled to start at 10am on a city-centre route.

Cardiff Council has confirmed that rolling road closures will operate along the route from 9am until 1pm. The council’s update does not state an entry price or booking process, so prospective participants will need to seek those details separately. It also gives no exact venue address or street-by-street route.

Race timing and the four-hour closure window

The traffic measures are due to begin one hour before the 10am start and remain scheduled until 1pm. That makes 9am, rather than the race start itself, the key time for residents, workers and anyone planning to travel through affected parts of central Cardiff.

Cardiff Council describes the arrangement as a “rolling road closure” along the route. This indicates that closures will operate as required during the overall four-hour period; the notice does not say that every affected section will be closed continuously from 9am to 1pm.

The council says the closures are needed to facilitate the race, with thousands of participants expected to move through the city-centre course. No separate timetable, supporting activities or additional sporting events are listed in the update.

What is confirmed about the Cardiff 10K route

The supplied event information identifies the setting as a Cardiff city-centre route but does not name the individual roads involved. Consequently, the confirmed planning information applies to the route as a whole rather than providing timings for particular streets or junctions.

The only programme highlight specified is the 10K race itself. There is no confirmed information in the notice about spectator areas, transport arrangements, parking, food stalls or accessibility provision.

These omissions are relevant for both participants and other city-centre users: the council update establishes when disruption may occur, but it is not a complete race-day travel or entry guide.

Planning around Sunday 6 September

Cardiff Council published the advance notice on 28 August, directing attention to the road closures before the event. Anyone whose journey may cross the city-centre course should account for traffic measures being in operation before runners set off and for the closure window continuing after the 10am start.

The firm details for planning are therefore the date, start time and overall traffic window: the KidneyWales Cardiff 10K takes place in Cardiff city centre on Sunday 6 September, starts at 10am, and will be supported by rolling road closures along the route from 9am until 1pm.

Source: Cardiff Council Newsroom

Context & actions About this article

Source check Source trail

This preview uses the event timing, location and road-closure information supplied by Cardiff Council.

Checks

The event date and 10am starting time were retained from the council update.
The rolling road-closure window was recorded as 9am to 1pm.
No price, booking, transport or accessibility details were added where the source supplied...

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