Trail Running calendar near Caerphilly 2025-2026

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..

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 l..

Event overview Sidmouth Four Trigs is an off-road trail race held on Sunday 8 February 2026 at the Watersports Hub, Sidmouth EX10 8BG. The race distance is listed as: 27 km 17 miles The event records 3999 ft of elevation. Entry fee is £21..

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..

Experience the Winter Day Race at Westonbirt Arboretum on 8 February 2026 with scenic 5 km and 10 km routes through diverse tree collections on firm, trail like surfaces for a fast, enjoyable run. Tickets are sold out.

Join the Trails & Tarmac Backyard Ultra near Crickhowell in the Black Mountains for an addictive looped endurance challenge. Tackle hourly 4.167 mile loops until one runner remains while anyone who reaches 32 miles earns a medal.

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 long..

Take on the Dartmoor Winter Traverse, a fully supported south to north challenge across wild moorland with 30 km and 50 km routes. Expert guides, GPS trackers and dramatic moorland scenery make it a true winter running adventure.

Winter Railway Ultra invites runners to follow a scenic disused railway along the River Severn from Ironbridge to Bridgnorth, passing sites of the area s industrial heritage. Distances from 9 to 37 miles on out and back laps with aid statio..

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..

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), bot..

Run the Hameldown Hammer on 28 February 2026 in Widecombe in the Moor on Dartmoor. Pick the new ultra, a tough half marathon with 800 m ascent, or a rugged 8 mile route, all featuring a double climb of the iconic Hameldown ridge.

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..

Event overview The Imber Ultra is an annual trail run of 33+ miles. The next edition is scheduled for Sunday 1 March 2026. The event is organised by Avon Valley Runners together with the Rotary Club of Westbury. Free photos from the 2025 ru..

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..

Up on the Downs, hosted by Tri-Counties Trail Running, takes place at Breamore House near Salisbury. Runners can choose from 5k, 10k (about 11.5k), or a half marathon, all starting and finishing at Breamore House. The route is mainly trail,..

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..

Event overview The Hateful 8 Ultra Loop is scheduled for 7 March 2026 at Bridgend Miniature Railway in Aberkenfig, Bridgend (CF32 9BZ), Mid Glamorgan, United Kingdom. The event is organised by Mad Running Junkies. The minimum age is 18 on t..

Event details The Winter Green Man Ultra is a looped trail race around the Community Forest Path near Bristol. Distances offered: 45 miles / 72 kilometres 30 miles / 48 kilometres The 45 mile race is a full anti-clockwise loop starting an..