Trail Running calendar near Narberth 2025-2026

Explore Afan Forest on hand picked trails with 5K and 10K options at the RTT Afan Forest run. Fully marked and marshalled courses, chip timing and a finisher medal make this a rewarding, well organised trail day for all abilities.

Serious Santa trail races serve up rugged, scenic runs in the Black Mountains from Cwmdu Village Hall with Half Marathon, Ten Mile and 14 km options. Expect technical trails, festive vibes and handmade finisher trophies.

Embrace festive trails in the Brecon Beacons with the Secret Santa Festive Trail, a scenic but challenging run across the Black Mountains. Multiple distances, checkpoints with vegan options and a canicross welcome for dogs on leads.

Navigate the sand dune maze of Braunton Burrows South at a scenic orienteering event on Sunday 7 December, part of the South West Orienteering League. Multiple courses for all abilities promise coastal views across the Taw estuary and Saunt..

Choose from three challenging trail distances through Afan Forest, the Rhigos mountains and Coed Morgannwg Way, featuring climbs, long descents and river crossings. Finish at scenic Dare Valley Country Park on 13 December 2025.

The Night Nobbler is a 10km night trail near Narberth returning to its original woods under the RERUN theme. Dress in upcycled fancy dress for solo or group prizes and bring a head torch and phone for this atmospheric after dark run.

Join the A Nightmare Before Xmas Trail Half Marathon on 20 December 2025 in Bridgend, South Wales. Tackle scenic mixed terrain, muddy forestry trails and climbs, then celebrate with mulled wine, a bespoke medal and a prize for best Christma..

Get into the festive spirit at Santa Run Wales in Dare Valley Country Park, Aberdare, a family friendly fun run with optional fancy dress, Christmas music and mince pies. Every finisher earns a festive medal and goody bag.

Run the Midwinter Mortimer Trail on 27 December 2025 with 15 or 30 mile routes between Ludlow and Kington in the Marches. Take in limestone tops, ridges, river valleys and ancient hill forts on this classic winter trail.

Discover upland trails in the Elan and Claerwen Valleys at this volunteer run walking and running event, with waymarked routes of about 12 or 20 miles. Map reading is needed; entrants receive a map and GPX in advance and funds support local..

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it..

Take on the CF64 Winter Race at Cosmeston Lakes Country Park, a scenic 6.4 mile trail through woodland, meadows and marshland on 18 Jan 2026. Enjoy an undulating off road route, marshals, free photos and a friendly trail atmosphere.

The West Glamorgan XC League - Margam Park will take place in Port Talbot on Sunday 18 January 2026. You can run 5 miles.

Take on Spice Up Your Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from 3 km upwards. Enjoy countryside laps, snacks and medals for finishers, with fancy dress warmly encouraged.

Take on the Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026, a rugged 6 mile course climbing to Tarrenhendre summit with 2000 ft of ascent. Enjoy tough trails, dramatic views and homemade soup back at HQ.

Take on Round 4 of the West Glamorgan XC League at Kenfig Nature Reserve on 1 February 2026, a scenic 4.2 mile cross country hosted by Cornelly Striders. Entries are capped so book in advance to guarantee your place.

The Sorbrook Slog on 22 February 2026 is a testing yet scenic 7 mile multi terrain run across footpaths, fields and country lanes around Sorbrook and Sluvad. Friendly local race with marshals, tea, cake and prizes; enter online by 19 Februa..

Run 70k along the Taff Trail from the Brecon Beacons to Nantgarw, enjoying reservoirs, viaducts and valley views on a fully marked one way ultra. Bus transfers and strong on course support help you focus on the run.

Take on the Brecon to Cardiff Xtreme, a rugged 75 km mountain ultra across 11 summits, or join the Taff Xtreme Marathon for the scenic second half of the route. Both routes finish at Coleg y Cymoedd and demand strong navigation and grit.

Join the St David's Day Dragon Run at Dare Valley on 1 March 2026, a relaxed seven hour challenge where you choose how many laps to run. Expect scenic trails, medals from 3 km and tasty goody bags with vegan options.