Trail Running calendar near Narberth 2026-2027

Experience a trail run through the UNESCO Dyfi Biosphere and along the Wales Coast Path. This event features a half marathon and a two lap marathon with 850m of elevation gain in the stunning Snowdonia National Park.

Experience the unique challenge of racing on the firm sands of Pendine Beach. Choose from five distances ranging from 5k to an ultra marathon on a course famous for land speed records.

A trail running event that uses a steam train on the West Somerset Railway to move runners between Minehead and Bishops Lydeard. Three distances are offered and all routes finish outside Minehead Station.

Three coastal trail races of 32.5, 18.5 and 10 miles follow the Wales Coast Path along the Vale of Glamorgan, with waymarked routes, staffed checkpoints, and coach transport for the linear course finishing at Ogmore-by-Sea.

Trail races at Oxwich Bay on the Gower Peninsula include a self navigation half marathon plus marked 10 km and 5 km routes, with chip timing, finisher medals, water stations and checkpoints.

A single-distance 50 km ultramarathon in Pwllheli on 11 April 2026, with a published entry fee of £74 plus booking fee. The event enforces a no crew, no pacers policy and requires mandatory kit and medical disclosure.

Experience a scenic 40 mile ultra marathon along National Cycle Route 8 from Glasbury to Merthyr Tydfil. This quadrennial event offers a well supported route through the Heart of Wales with unique finishers medals.

Experience the rugged beauty of Brecon Beacons National Park with a choice of 10, 20, or 40 mile trail races. Navigate mountain ridges and forest paths in this supported event starting from Gilestone Farm.

Experience an endurance event through the Black Mountains and the Blaenavon World Heritage Site. Choose between three distances and tackle historic mountain climbs and scenic canal paths starting from Abergavenny.

Experience a scenic 35 mile ultra marathon from Merthyr Tydfil to Barry Island. Following the National Cycle Route 8 to the coast, this four yearly event offers a unique journey through the landscapes of South Wales.

Coastal trail running from Little Haven with 10K, half, marathon and ultra options across undulating exposed terrain in Pembrokeshire National Park. The event forms part of the Endurancelife season leaderboard.

Run your own distance on a 7-hour timed course through Parc Taf Bargoed in South Wales. Choose from 5k to ultra on a flexible, scenic loop starting from Trelewis. Walkers and runners are welcome with staggered starts and full event support.

Follow the scenic Monmouthshire and Brecon Canal on this supported 40 mile point to point journey from Malpas to Brecon Basin. Enjoy a flat towpath route through the heart of the Welsh countryside with a 15 hour time limit.

A seven hour time-challenge at Dare Valley Country Park offering distances from 3km up to ultra and 50km, themed medals, distance pins and goody bags, with aid stations and free parking.

Experience a mountain adventure through the Bannau Brycheiniog National Park with circular routes starting in Brecon. Choose between 100km, 75km, or marathon distances featuring significant elevation and iconic ridge traverses.

Experience 30 miles of Welsh beauty on a circular route from Llanidloes. This inclusive trail event features 4,356 feet of elevation gain with no time limits and fully stocked checkpoints.

Experience the dramatic coastline and steep moorland of Exmoor National Park across five trail distances. Run past towering cliffs and through the Valley of Rocks on technical terrain starting from Lynton.

The Sirhowy Challenge is a 10 mile multi-terrain race featuring a 1,500ft climb to Machen Trig Point. Participants enjoy a scenic loop through the Sirhowy valley with awards and a finishers social at the local club.

Experience a challenging 12 mile off road run through the private Clovelly Estate. This scenic course features ancient woodlands, coastal cliffs, and a final climb up Clovelly's famous cobbled street to support the RNLI.

Test your endurance on a technical 3.2 mile mountain loop at Mynydd Troed. Complete as many laps as possible within ten hours as a solo runner or part of a team in the heart of the Black Mountains.