Trail Running calendar near Mumbles 2025-2026

We have found 207 Trailruns within 80 miles of Mumbles. See below where and when you can find the races.

On 15 January 2026 the Angry Run invites runners to tackle an offroad looped course at Pengethley Manor, choosing distances from 5k to ultra. Expect rolling hills, vineyard trails and a friendly festival atmosphere.

Tackle the Gluttonous Run at Pengethley Manor, part of the 7 Deadly Sins series on 16 January 2026. Pick 5k to ultra and brave a tough off road loop through vineyards with a hill each lap, or opt for the virtual challenge.

Haldon Night offers atmospheric night trail racing at Haldon Forest Park on 17 January 2026. Bring a head or chest torch and choose distances from 1K to 10K including a canicross option, with fully marked routes, medals and post race cateri..

The Greedy Run at Pengethley Manor on Saturday 17 January 2026 invites runners and walkers to choose from 5k up to Ultra on an offroad loop through vineyards and rolling hills. Race day has hot drinks, food, free parking and a finisher meda..

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 3 is a three race fell running series on Dartmoor for pairs only, with unmarked routes that demand navigation and teamwork. Limited to 35 teams, series prizes and proceeds support 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.

Tackle the Envious Run on 18 January 2026 at Pengethley Manor, a scenic offroad loop through vineyards with a hill each lap. Choose any distance from 5k to ultra or run virtually in January for a finishers medal.

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.

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.

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.

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.

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.

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.

February 2026

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.