Trail Running calendar near Swansea 2025-2026

The Greedy Run on 17 Jan 2026 at Pengethley Manor near Ross on Wye lets runners and walkers pick distances from 5k to ultra on a tough off road vineyard course with short hills. Entrants must finish within a seven hour limit.

Dark Skies Series brings winter night trail running to Somerset with three atmospheric events offering 5 km and 10 km routes. Enter individual races or the full series and collect a bespoke wooden finisher's medal to mark the achievement.

Winter Pairs is a seniors only three race fell series on Dartmoor run in pairs, where navigation and tough climbs test teamwork. Limited to 35 pairs, one entry covers all races and supports North Dartmoor Search and Rescue.

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.

Take on the Envious Run, part of the 7 Deadly Sins series, on 18 January 2026 at Pengethley Manor. Off road laps through vineyards and a rolling hill make this 5k to ultra event a scenic challenge for runners and walkers.

Join the Axmouth Challenge around picturesque Axmouth Village Hall with quirky start and finish at the village phone box. Choose from 1 to 9 mile routes and enjoy free post race refreshments while supporting 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.

Take on the third West Glamorgan cross country race at Margam Park on 18 January 2026, a scenic but testing 5 mile course hosted by Run4All Neath. Pre registration opens 1 January and no on the day entries will be accepted.

Take on a midwinter trail challenge across north Dartmoor, running past ancient stone circles and pagan sites in a dramatic winter landscape. Choose a marathon over 28 miles or a half at well over 14 miles, both starting and finishing at Ch..

Discover rugged Dartmoor at Pagan Trails, a winter trail event from Chagford that passes ancient stone circles and pagan sites. Choose marathon or half marathon routes over moorland terrain for a challenging, scenic off road adventure.

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.

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.

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.

Hit the trails at Haldon Forest Park for Haldon 5K & 10K on 1 February 2026, with scenic routes, finisher medals and free race photography. Open to runners and canicross participants and forming part of the PGE trail running championships.

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..