Run 4 Wales (R4W), the team behind the 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.


Barry Island 10K

Sunday 15 June 2025

Sun, sea and sand provide the backdrop to the Barry Island 10K – renowned for its feel good atmosphere and varied route.

Races start and finish at the iconic Whitmore Bay, which also hosts an exciting Event Village with live music, entertainment, stands and tasty street food. Relax on a deck chair post-run or enjoy an optional (but very much encouraged) dip in the sea on Barry’s sandy blue flag beach.


Brecon Carreg CDF 10K

Sunday 7 September 2025

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 Wales

Saturday 19 July 2025

Rabbit Run Wales features a series of stunning trail races that offer 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.

A 12K race 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. 

A new 40K race takes in all the 12K has to offer as well as a stunning tour of the Glamorgan Heritage Coast, which promises dramatic landscapes, plunging cliffs, secluded coves and breathtaking views. 

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


Cardiff Half Marathon

Sunday 5 October 2025

The 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.