Trail Running Calendar South West (England) 2025-2026

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..

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..

Run Sidmouth's scenic off road 27 km loop on 8 February 2026, visiting four trig points across hills and coast. Friendly low key atmosphere with marshals and hot post race food, and all profits go to Cardiac Risk in the Young.

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.

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.

Brave Dartmoor in February with a fully supported off road traverse offering 50 km and 30 km options for runners and walkers. Stunning open moorland, expert guides and GPS tracking make this a bold winter adventure.

Run beneath Bath through the atmospheric Two Tunnels on a choice of distances from family fun runs to marathon and 50 km races across 2026 dates. Enjoy traffic free trails, on site food and medals for finishers.

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..

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.

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..

The Imber Ultra is a challenging trail run of over 33 miles across the Wiltshire countryside, blending tough terrain with great views. The next edition is on 1 March 2026 and entries are expected to open around October 2025.

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 Cousin Jack around St Ives, Cornwall on scenic yet rugged coastal trails with mud, rocky headlands and steep climbs. Choose the 18 mile Classic Jack or the 35 mile Ultra Jack for a true trail test.

Run from Swanage seafront to the ruined Corfe Castle along chalk and sandy trails past Old Harry Rocks and Studland, with 11, 17 and 21 km routes. Finishers ride a private steam train back to Swanage for a memorable finish.

Run a scenic loop through the Forest of Dean on well maintained trails with gentle climbs. Officially measured and fully marshalled, this spring half hosts the British Trail Running Championships.

The Way of the Dead is a challenging 50k running event traversing Dartmoor from east to west, organized by Wild Running. Participants can compete solo or in pairs, with live GPS tracking and three checkpoints that also serve as feed station..

Run scenic off road trails through Escot Park near Ottery St Mary with short climbs and some muddy sections. Choose a 10K or a two lap half marathon with canicross categories for dog and handler teams.

Beyond Bristol offers scenic 25 km and 55 km trail routes from Museum Square. Race under the Clifton Suspension Bridge, through Leigh Woods and along riverside and railway paths, with feed stations and a finisher medal.

Explore Bath's historic streets and riverside trails in the Bath 50 Challenge, a looped course from Bath Racecourse past the Royal Crescent and along the River Avon. Choose 50 km, 29 km or 10 km, enjoy full course support and a halfway picn..