Trail Running calendar near Mumbles 2025-2026

We have found 179 Trailruns within 80 miles of Mumbles. See below where and when you can find the races.

Experience wintry Dartmoor on Pagan Trails, a midwinter run from Chagford that passes stone circles and ancient sites. Choose a demanding marathon of 28 miles and 1500 m ascent or a half of 14 miles and 700 m ascent and bring winter kit.

Join the social, self navigated Blackdown Beast, a scenic cross country run from Dunkeswell Airfield supporting Macmillan Cancer Support. Expect village hall and pub refreshment stops, stunning hills and 10 or 16 mile options.

Run the Pagan Midwinter Marathon or Half on 24 January 2026 from Chagford across north Dartmoor, visiting stone circles and ancient pagan sites. Expect raw midwinter terrain and big climbs for a memorable off road challenge.

February 2026

Enjoy a friendly timed trail run through Haldon Forest in Devon on Sunday 1 February 2026, with 2.5K, 5K and 10K options and canicross welcome. Fully marked course, water points and medals for all finishers make it a relaxed, fun challenge.

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 rugged 27 km off road loop from Sidmouth with about 3999 ft of climbing as you visit four trig points in order. Enjoy coastal trails, great camaraderie and support Cardiac Risk in the Young.

Take on Trails & Tarmac Backyard Ultra near Crickhowell in the Black Mountains on a scenic 4.2 mile loop that mixes trail and tarmac. Run one hour loops until only one remains; hit 32 miles for a medal and go for the winner's trophy.

Take on a moonlit trail across open moorland and local paths near South Brent, with 5 or 9 mile options. Enjoy rugged climbs, moor crossings and riverside views in this atmospheric night race organized by Wild Running.

Take on rolling hills, muddy trails and river crossings at Dalwood 3 Hills near Axminster on 15 Feb 2026, with 10 mile, 5 km and family friendly 3 km options. Village hall facilities and medical cover provided. Bring a cup for water.

Tackle Dartmoor's winter wild on 21 February 2026 with a fully supported south to north traverse open to runners and walkers. Choose 30 km or 50 km over remote moorland with GPS trackers and guide support for a bold winter adventure.

The Ironwood Challenge, organized by Nailsea Running Club, is a trail race near Long Ashton, North Somerset. The six-mile course runs through woodland, fields and forest, with sections that are often muddy. It is fully marked and marshalled..

Run through two restored railway tunnels near Bath on scenic, mostly tarmac routes that suit fun runners and challengers alike. Distances range from 500 m to 50 km with relays and marathon options, and the event supports Sustrans with donat..

Join the 10th Hameldown Hammer at Widecombe in the Moor on Dartmoor, with ultra, half and 8 mile races over rugged ridges and big climbs. Scenic, challenging trails, finisher medals and a cupless policy for a greener race day.

March 2026

The Brecon to Cardiff Classic is a 70-kilometer ultra running race following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes..

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This 7-hour time challenge allows participants to run distances of their choice, starting from a minimum..

Brecon to Cardiff Xtreme is a winter mountain ultramarathon, a 75-km linear challenge from Brecon to Cardiff (about 47 miles) with roughly 2,700–2,800 m of ascent, including 11 summits such as Pen y Fan, Cribyn and Fan y Big. The Taff Xtrem..

Tackle the Winter GMU around Bristol on the Community Forest Path with 45 mile and 30 mile options on scenic self guided routes. Chip timing, well stocked checkpoints and a technical finishers T shirt and bespoke medal await.

Take on the Hateful 8 Ultra Loop, a 9 mile loop at Bridgend where runners log as many laps as possible in an 8 hour challenge. Mixed terrain with steep climbs and technical forestry descents makes every loop a true test of grit and strategy..

Run the Nant Yr Arian Silver Trail on 14 March 2026 across scenic Cambrian Mountains, with a half marathon, 10 km and junior races for all ages. Enjoy an event village, charity support and great mountain views.