Run 4 Wales (R4W), the team behind the Ogi Porthcawl 10K deliver a number of exciting events across Wales. Make sure you’re opted-in to receive the R4W newsletter for all the latest updates.

ABP Newport Marathon Festival

Sunday 13 April 2025

A firm favourite in the running calendar, boasting one of the flattest marathon courses in the UK.

It’s route offers iconic landmarks, like the city’s Transporter Bridge and the stunning scenery of the Gwent Levels – with its coastal wildlife and picturesque medieval villages.

The event has been expanded into an exciting festival of running with marathon, half marathon, 10K and junior race options.

A fast and fun supporting 10K race gives runners of all abilities the opportunity to get involved, without committing to the challenging 26.2-mile distance.

Brecon Carreg Cardiff Bay 10K

Sunday 19 May 2024

A popular spring-time race, which attracts some of the UK’s top athletes is set in the heart of the Cardiff’s historic Bay.

The 10K course takes in all of Cardiff Bay’s most iconic landmarks, starting and finishing in Roald Dahl Plass and passing the Wales Millennium Centre, Mermaid Quay, the Pierhead Building, Senedd, Porth Teigr and the Cardiff Bay Barrage.


Sunday 1 September 2024

The CDF 10K has been added to Run 4 Wales (R4W)’s portfolio of world-class mass participation events.

The revival of this iconic and historic event has given thousands of runners the opportunity to take to the streets in the heart of the Welsh capital, as part of a race set to become one of the UK’s largest distance events.

The race takes runners on a flat and fast sightseeing tour of Cardiff, with highlights including Cardiff Castle, Central Square and the Principality Stadium.

Rabbit Run

Saturday 20 July 2024

The Rabbit Run is a stunning trail race that offers the unique opportunity to run on the private grounds of the Merthyr Mawr Estate.

Set on the South Wales coast, the Merthyr Mawr Warren National Nature Reserve is a haven for wildlife and a trail-running paradise. The Rabbit Run takes in stunning trails, hills, valleys, a river crossing, and the chance to experience a tumble down the Big Dipper, the highest sand dune in Wales. 

The event is delivered in partnership by the Merthyr Mawr Estate, Bridgend Athletics & Run 4 Wales (R4W).

Principality Cardiff Half Marathon

Sunday 6 October 2024

The Principality Cardiff Half Marathon has grown into one of the largest and most exciting road races in Europe. It is the UK’s second largest half marathon and Wales’ largest multi-charity fundraising event.

The race is a member of the SuperHalfs, a global series of the world’s most prestigious half marathons including races in Lisbon, Prague, Copenhagen and Valencia and has been awarded a Elite Race Label by World Athletics.

Its flat, fast course passes all of the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay. Thousands of spectators turn out to cheer on the runners in a city renowned for its sporting passion.