Trail Running calendar near Somerset 2025-2026

Run Bath's Two Tunnels, passing through Devonshire and Combe Down tunnels, with distances from 500 m up to 50 km plus relays. Support Sustrans and enjoy unique underground scenery and a lively festival atmosphere.

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..

Join the St David's Day Dragon Run at Dare Valley on 1 March 2026, a relaxed seven hour challenge where you choose how many laps to run. Expect scenic trails, medals from 3 km and tasty goody bags with vegan options.

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..

Take on the rugged Imber Ultra, a 33.5 mile multi terrain trail around Salisbury Plain starting from Westbury. This charity fundraiser on 1 March 2026 follows the Imber Range Perimeter Path clockwise and welcomes adventurous trail runners.

The Winter Green Man Ultra is a scenic loop around Bristol from Ashton Park School on 7 March 2026, with 72 km and 48 km options. Self guided with checkpoints and on course support, the cup free event rewards finishers with T shirt and meda..

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 through ancient New Forest woodlands, heath and meadows with 10km, 15km and 22km route options. Dog friendly, with canicross categories, chip timing and medals.

Take on the Wight Riot, a mixed terrain coastal path run at Hordle Cliff West with stunning views of the Isle of Wight and passages past Sturt Pond. Choose a 5K or multiple lap ultra and earn a finisher medal for every completed lap.

Take on the Maverick Hampshire Trail at Matterley Basin, a scenic, undulating route through South Downs woodland with panoramic views to Cheesefoot Head. Choose 5 km, 16 km or a challenging 24 km half marathon and enjoy timed results, finis..

Run from Swanage seafront to the dramatic ruins of Corfe Castle along scenic chalk and sand trails past Old Harry Rocks and Studland. Finishers can ride a private steam train back to Swanage for a memorable end to the day.

Join the Dashing Dog Charity Run at Dare Valley Country Park for a 7 hour time challenge where you choose how many laps to run. Support local dog rehoming charities and enjoy scenic trails, medals and on course aid.

Take on the South Downs Way with Winter's End, a scenic trail event offering a 50 mile ultramarathon and two marathon options between Arundel and Winchester. Expect chalk ridge views, well stocked aid stations and a true point to point adve..

Join the Red Warrior Challenge at Margam Country Park on 22 March 2026 for mixed terrain races offering 5K, 10K and 20K options. Solo runners and canicross teams welcome at this sixth annual celebration of trail fun and challenge.

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.