Trail Running calendar near Tongwynlais 2025-2026

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.

Experience iconic views of Stonehenge on the Stonehenge Stomp, a friendly walking event that also welcomes runners. Choose routes from 5 km to 40 km and book online when entry opens on 1 November 2025 as places are limited.

Choose the Moors Valley Wildwood Trail Half Marathon or 10K through scenic woodland and muddy gravel trails where deer and birds of prey may appear. Chip timed, eco friendly event with aid stations and a wooden finisher medal.

Tackle scenic trails on the Long Mynd from Carding Mill Valley with a choice of a half marathon or a two lap full marathon. Enjoy well stocked aid stations, friendly marshals and a post race cake competition for all.

Event overview DirtRun Dudmaston 10k takes place on 1 February 2026 at Comer Woods, part of Dudmaston Estate. The event uses an off-road route around tracks and trails in Comer Woods and covers 10 km. All finishers receive a medal and finis..

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..

The Portland Coastal Marathon is an ultra trail running event held at the Weymouth and Portland National Sailing Academy in Portland, UK. Scheduled for February 8, 2026, it offers a full marathon, half marathon, and 10k distances, catering..

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.

Trails & Tarmac Backyard Ultra Winter sends runners on a scenic 4.17 mile loop in the Black Mountains, blending trail and tarmac with a touch of climbing. Complete a loop each hour; reach 32 miles for a medal and outlast everyone to win.

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.

Take on the Dartmoor Winter Traverse, a fully supported challenge across remote moorland from south to north, open to runners and walkers. Choose 30 km or 50 km and enjoy guided navigation and course support through dramatic winter terrain.

Run two scenic laps around Kinver Edge and the Rock Houses for a challenging 9.5 km off road experience on 22 Feb 2026. Capped at 100 runners, this intimate race awards medals and finish goodies but entries are closed.

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..

Ironwood Challenge is a scenic six mile trail through ancient woodland and hilly fields above Long Ashton, with mixed terrain and famously muddy sections. Chip timed, the race offers post run cake and supports Wellspring Counselling.

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.

Experience coastal trails at Lulworth Cove Trails on 28 February 2026, with stunning Dorset coastline views and the charm of the Lulworth Castle Estate. Choose 10K, 27K or 50K routes featuring rugged trail sections, climbs and classic count..

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 Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and re..