Trail Running calendar near Narberth 2026-2027

A two hour night navigation event near Rosebush featuring a *16 km* woodland route with 660 m climb, a pre-marked map, compulsory kit and required navigation experience. Entry is online with a £10 fee.

A Backyard Ultra near Crickhowell on 6 February 2027 with 4.167 mile mixed trail and road loops. Runners must complete eleven hourly loops and then race the twelfth; the event is capped at 12 hours and awards medals and a winner's trophy.

A winter mountain trail event from Brecon to Cardiff featuring a 47.5 mile ultra over 11 summits and a 26.2 mile marathon from Merthyr, both on unmarked routes with GPS navigation and staffed checkpoints.

A one way, fully marked 70k ultramarathon along the Taff Trail from Brecon to Nantgarw. The route moves from mountain landscapes to former industrial valleys and includes coach transfer to the start, checkpoints and live GPS tracking.

A 7 hour Time Challenge at Dare Valley Country Park on 28 February 2027 offering flexible distances from 3 km up to ultra and 50 km, with medals, distance pins, goody bags and on-course aid at each lap.

Marked trail runs in the Black Mountains from Crickhowell, Powys, with 10, 20 and 40 mile options, stocked checkpoints, mandatory kit checks and cut off times of 5, 8 and 16 hours respectively.

The Nant yr Arian Silver Trail will take place in Ystumtuen on Saturday 20 March 2027. You can run between 10 and 25 kilometers.

Three long distance mountain trail races start and finish in Brecon, following circular routes through the Brecon Beacons National Park. Distances range from a marathon to a 100 km ultra with marked routes, checkpoints and compulsory kit re..

The Pendine Sands Races stage beach out-and-back events over 5k, 10k and a half marathon on firm sand, with flagged distances, cup-free water stations, bespoke finisher medals and category trophies.

A 50 km women focused event in Pwllheli on 17 April 2027 with a strict no-crew policy, minimum age 18, limited refund rules, and recommended third-party insurance.

A trail running event using the West Somerset Railway steam line, offering *11 km*, *11 miles* and a full marathon. Runners travel by steam train to their start points and finish outside Minehead Station, with routes through the Quantock Hi..

A trail running event in the Brecon Beacons on 17 April 2027 offering marked 10, 20 and 40 mile routes from Henderson Hall with well stocked checkpoints, mandatory kit checks and canicross-friendly entries.

A last-person-standing Backyard Ultra at the Medieval Village, Cosmeston Lakes: runners repeat a fixed **6706 m** loop each hour until one athlete completes one more loop than anyone else. Camping and on-site facilities are provided.

Three coastal trail races on the Vale of Glamorgan coast on 24 April 2027, including a 32.5 mile ultra, 18.5 mile trail and 10 mile route. The course follows the Wales Coast Path and finishes at Ogmore-by-Sea Village Hall.

A 5k obstacle course at Coopers Field, Bute Park, Cardiff, with tarmac paths and grassy sections that can get boggy after rain. The event raises funds for Cancer Research UK and uses staggered wave starts; participants must be 13 or older.

Trail races on Exmoor National Park from a 5 km route to a 56 km ultra. Coastal and inland routes feature technical terrain, refuelling outposts and on site camping.

A 115 km multi-discipline route from Abersoch beach to Snowdon and back, combining a 1.5 km sea swim, road cycling, a mountain ascent via the Watkin Path and a final 1 km beach run.

Epona 100 in Abergavenny offers 100-mile and 100-kilometre trail options along the Cambrian Way, Offa’s Dyke and Beacons Way, with eight checkpoints, live tracking, GPS files and a finisher medal and buckle for those finishing within the ti..

A 50-mile trail ultra around Minehead on 8 May 2027, featuring about 7,337 ft of ascent, six aid stations and a 16 hour cut-off. The route mixes coastline, ancient woodland and moorland and starts and finishes at West Somerset College.

Margam Wild Trail Runs at Margam Country Park on 23 May 2027 offers 5 km, 10 km and half marathon trail routes, is canicross friendly, uses live chip timing, and provides medals and post-race refreshments.