Phoenix Running - Cardiff Bay

MAR
1
2026
Celebrate St David's Day in Cardiff Bay with a timed lap run on a scenic 5.3 km circuit past the Senedd and Wales Millennium Centre. Run one lap or build up to ultra distance within a 7 hour window with flexible rock up and run starts.
Sun 1 Mar 2026
Marathon Half Marathon 10 kilometers 5 kilometers

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Event overview

The South Wales - St David's Day Run takes place in Cardiff Bay on Sunday 1 March 2026. The event uses a timed, lap-based format on an out-and-back course of 5.3 km (3.28 miles) per lap. Participants may run multiple laps to achieve a distance from a single lap up to ultra distance within a 7-hour time limit. The minimum distance is one lap (3.28 miles).

Distances and format

  • 5 km
  • 10 km
  • Half marathon
  • Marathon
  • Ultra

The event operates a flexible "rock up and run" start within a one-hour window. Special start time requests may be accommodated depending on planned distance. Results and athlete information are provided on the day.

Course and logistics

The course starts and finishes at the Norwegian Church Arts Centre, Harbour Drive, Cardiff Bay (postcode CF10 4PA). The route runs along Cardiff Bay past the Barrage Control Centre viewpoint, the Senedd and Pierhead Building, through the plaza to the Wales Millennium Centre and Torchwood Tower, then back to the Norwegian Church. The surface is tarmac or pavement with one short wooden boardwalk. Each lap has about 23 m elevation gain and loss. Parking is available at The Lock Keepers Cottage car park (24 hours); on-street parking on Harbour Drive is limited to three hours.

Entry options

Standard entries include a finishers medal. A trial "no medal" entry is offered at a flat £20 and excludes the physical medal but includes race support, aid station, same-day results, athlete profiles, digital BIBs, and digital finishers certificates. Affiliated and unaffiliated entry fees are listed by the organiser. Visit the organization's website for the most recent information.

Marathon
Marathon
Half Marathon
Half Marathon
10 km
5 km
Ultra

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