Trail Running calendar near Margam 2025-2026

Tackle Dartmoor in the Winter Pairs, a rugged 19 km trail around Western Tors with about 650 m of climb. Teams of two, pre entry only and required kit make this a compact winter challenge with just 35 pairs.

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.

Join the Axmouth Challenge on 18 January 2026 for scenic village runs with distances to suit every runner. Finishers enjoy complimentary refreshments while funds raised support the village hall.

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..

Run across wintry north Dartmoor visiting ancient stone circles and pagan sites on challenging off road courses from Chagford. Choose a tough half or an epic marathon with big climbs for a memorable midwinter adventure.

Pagan Trails is a midwinter trail run on Dartmoor from Chagford, with 14 mile and 28 mile routes that visit ancient stone circles and pagan sites. Expect rugged moorland, big climbs and a memorable winter running experience.

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.

Chase winter trails at the Haldon Winter Run in Haldon Forest, Devon on Sunday 1 February 2026, with 2.5K, 5K and 10K options for runners and canicross teams. Fully marked routes, medals for finishers and championship stages add extra edge.

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..

Join Haldon 5K & 10K on Sunday 1 February 2026 at Haldon Forest Park for scenic trail routes of 2.5 km, 5 km and 10 km. All finishers receive medals, there are awards and free race photos, and canicross is welcome with no cut off time.

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.

Run a scenic 27 km loop from Sidmouth Watersports Hub, visit four trig points in order and tackle about 900 m of climb along coastal cliffs. Supportive local event with a slate finisher medal and proceeds to Cardiac Risk in the Young.