Trail Running calendar near Bannau Brycheiniog National Park (Brecon Beacons) 2025-2026

Discover the new Cardiff Trail 10k, a scenic 10 km trail run through Fforest fawr near Castell Coch. Expect muddy singletrack, sweeping views and a friendly atmosphere perfect for trail runners looking for a January adventure.

Take on the Riverbank Rollick, a scenic 9.6 mile trail run along riverbanks, woodland and fields with about 80% off road and likely muddy January conditions. Finishers get a bespoke buff and a linkable metal medal in the Thornbury series.

The Envious Run at Pengethley Manor in Ross on Wye is an offroad lap race through vineyards and rolling hills, part of the 7 Deadly Sins series. Distances from 5k to ultra welcome runners and walkers and virtual entries are available.

Tackle scenic mixed terrain around Cosmeston Lakes in the CF64 Winter Race, a 6.4 mile off road challenge through woodland, meadows and trails. Join fellow runners on Sunday 18 January 2026 for a spirited winter test of fitness.

Join the West Glamorgan XC League Round 3 at Margam Park, Port Talbot on 18 January 2026 for a 5 mile cross country challenge hosted by Run4All Neath. Pre registration is required and race numbers will be issued by club to team captains onl..

Take on the Holly Challenge this January on the leafy lanes of Lightmoor Nature Reserve in Telford, with multiple distance options and medals for every finisher. With only 50 places, this small friendly event offers marshals, an aid station..

Join the Blackdown Beast, a social self guided run across the Blackdown Hills from Dunkeswell on 24 January 2026 with 10 and 16 mile options. Enjoy scenic trails and refreshment stops while helping Macmillan Cancer Support.

Spice Up Your Run Wales, 24 January 2026 at Dare Valley Country Park, is a 7 hour Time Challenge where you pick your laps and earn a Spice Girls themed medal for 3 km or more. Scenic trails, snacks and festival vibes await.

Tackle the wild trails of May Hill with muddy climbs and an open summit offering panoramic views. Pick the shorter course or the longer Mayhem loop, or join the canicross for a lively weekend of cross country fun.

Explore the Shropshire Hills from Carding Mill Valley with marathon, half marathon or 10k routes across The Long Mynd and National Trust terrain. Enjoy stocked aid stations, a medal and a fun cake competition after your run.

Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026 is a rugged 6 mile test with about 2000 ft of ascent across ridges, forestry and old slate quarries. Expect steep climbs, exposed summit running and a moorland descent.

Join the DirtRun Dudmaston 10k on 1 Feb 2026 for a scenic off road 10 km through Comer Woods at Dudmaston Estate. Enjoy a finisher medal and goodie, with category prizes including real ale for top performers.

The fourth race of the West Glamorgan XC League takes place on 1 February 2026 at scenic Kenfig Nature Reserve. Tackle 4.2 miles of classic cross country terrain with Cornelly Striders hosting; entries are limited so sign up from 19 January..

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which offer a beautiful and varied landscap..

Enjoy a winter run through Westonbirt Arboretum's stunning tree collections on solid underfoot trail style paths. Distances of 5 km and 10 km suit all paces. Tickets are sold out.

Muddy Woody 2026: The Wye Valley Brewery Muddy Woody returns on 8 February at a new Aconbury Court Farm course. About 6 miles of forest and single track with runnable hills, chip timing and a free bespoke Muddy T shirt for finishers. Junio..

Take on the Wiltshire 10, a scenic 10 mile road race from Melksham to historic Lacock and back, with medals for all finishers and age category prizes. Entries capped at 300, book before 1 February 2026 as no entries on race day.

Take on the rolling countryside at Dalwood 3 Hills on 15 February 2026, with 10 mile, 5 km and 3 km trail routes featuring hills, mud and river crossings. Friendly village HQ and rustic parking promise a proper off road winter challenge.

Run a flat, traffic free 10k on the National Cycle Network from Calne to Stanley near Chippenham, chip timed and well marshalled on an out and back multi terrain course. A 1 mile fun run for under 17s and limited entries make this a friendl..

Run Brimscombe's canal towpath at the Back to the 80s timed event, choosing any mix of 2.62 mile laps to make 5k to ultra distances. Enjoy a relaxed one hour start window, seven hour limit and a bespoke finisher medal to mark your effort.