Trail Running calendar near Portishead 2025-2026

Saturn Running's "Spice Up Your Run - Wales" is a fun and inclusive running event held at Dare Valley Country Park in Aberdare. Participants can walk or run a minimum of 3km, with options to complete laps of approximately 7km each, allowing distances up to 50km, including half-marathon, marathon, an..

Pagan Midwinter Marathon, organized by OuterEdge Events, is staged in Chagford, Devon, on mythical Dartmoor. It offers two demanding distances: a Marathon of just over 28 miles with more than 1500 meters of ascent, and a Half Marathon of well over 14 miles with around 700 meters of climbing. Runners..

Stonehenge Stomp, organized by the City of Salisbury Athletics & Running Club, is a non-competitive walking event held near Stonehenge in Wiltshire. The 36th edition is scheduled for Sunday 25 January 2026. Participants can tackle 10, 20, 30 or 40 km on fully marked trails (all routes offer Stonehen..

Set in Moors Valley Country Park & Forest near Ringwood, Dorset, the Moors Valley Wildwood Trail Series Half Marathon & 10K offers two woodland trail routes. Participants can choose the Half Marathon (two laps) or the 10K (one lap) across forest gravel paths. The event is fully marked with aid stati..

The Icing on the Cake is a trail running event held in the scenic Shropshire Hills, starting and finishing at Carding Mill Valley near Church Stretton. Participants can choose between a half marathon (13.1 miles) featuring one loop through rugged countryside, or a full marathon (26.2 miles) which in..

Purple Gecko Events presents the Haldon Winter Run in Haldon Forest, Devon. This timed, low-pressure trail race welcomes runners of all abilities to choose from three distances: 2.5K, 5K, and 10K, with canicross options available. The course is fully marked, with water points along the way, and meda..

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 finish goodies. Category prizes are awarded to the first three runners in each..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

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 to all abilities. The course follows the scenic Portland sec..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

Trails & Tarmac Backyard Ultra – Winter takes place near Crickhowell in Powys, Wales, inside the Black Mountains. The course uses a 4.167-mile loop, a 50/50 mix of trail and tarmac, with one gradual climb and a short steep section; the rest is flat for speed. It’s an open-ended Backyard Ultra where..

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as..

Dalwood 3 Hills 2026 returns to Dalwood Village Hall, Dalwood, Axminster (EX13 7EG), offering three multi-terrain routes around the countryside: 10 miles, 5km, and the new 3km Dalwood Doddle for families. Expect mud, hills, and, on the longer course, river crossings as you challenge yourself across..

The Winter Railway Ultra is a multi-distance trail race staged along the River Severn, on a disused railway line between Ironbridge and Bridgnorth, near Coalport, Telford. Runners can choose from 9 miles, 13.1 miles (half marathon), 19 miles (three-quarters marathon), 28 miles, or 37 miles. Each out..

Climb South West runs the Dartmoor Winter Traverse, a fully supported winter crossing of Dartmoor in February. The event offers a 50 km South-to-North route and a 30 km Princetown-to-Meldon option, open to runners and walkers. The route traverses remote moorland, passing Red Lake and the sources of..

Two Tunnels Races in Bath, UK, organized by Relish The Great Outdoors, offer a unique underground running experience alongside city scenery. The courses pass through the Devonshire Tunnel (408m) and the longer Combe Down Tunnel (1672m), both well-lit and surfaced as a shared-use path—the longest und..

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, and chip timing is included for the first year.Off-road sh..

Hameldown Hammer is a Dartmoor trail running event based in Widecombe-in-the-Moor, offering the Hammer Half, the Hameldown 7EVEN (about 8 miles), and a new Ultra Hammer. The 10th anniversary edition marks the inaugural Ultra. The Half is described as Dartmoor’s biggest trail half marathon with over..

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 of 3km. The course features well-maintained footpaths with..

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 Xtreme Marathon is the second half, a 26.2-mile leg from Merthyr..