Trail Running calendar near Somerset 2025-2026

Enjoy a lively 10 km multi terrain run around Ramsbury Brewery on Sunday 9 August 2026, with a canicross option and mostly off road trails. Finish with a pint and support Brighter Futures in this friendly community race.

Experience the Two Tunnels in Bath, a unique run through two lit, surfaced railway tunnels and rolling paths. Options span short Colourburst runs up to marathon and 50 km distances, with proceeds supporting Sustrans.

Run the Southampton Running Festival on 16 August 2026 at Southampton Common with 5K, 10K, half marathon and junior races. Scenic laps through woodland, ponds and parkland, plus an event village and a focus on sustainability.

Take on the Beast of Llangattock, a scenic trail on 22 August 2026 with distances from 10 km to a 32 mile ultra across the Llangattock Escarpment and Clydach Gorge. Fully marked course with checkpoints, food options and medical cover.

Take on the Summer GMU around Bristol on 22 August 2026 with 45 mile and 30 mile clockwise courses starting at Ashton Park School. Enjoy checkpoint support, tracking and a bespoke medal for finishers in this scenic endurance challenge.

Enjoy scenic trail running and canicross around Wimbleball Lake on August 28, 2026, with 5K and 10K routes for runners and dog teams. Camping, parking and toilets on site make it a relaxed lakeside race day with medals for all finishers.

Enjoy an early evening trail run through the private Newnham Park estate in Plympton with 8 mile and 4 mile options. Canicross runners welcome and proceeds support Bowel Cancer West for a scenic charitable outing.

Run along a scenic disused train line in Bridestowe, Devon on 29 August 2026 with laps of 5.3 km on mixed off road and paved undulating terrain. Choose a 5 or 7 hour timed option and complete up to 14 laps to earn a finishers medal.

Test your limits at the Devon and Cornwall Backyard Ultra on 29 to 30 August 2026, where runners tackle 4.167 miles every hour until only one remains. Join a supportive, camping friendly event raising funds for Bowel Cancer West.

Tackle the Black Cattle Ultra in South Wales, a rugged point to point adventure finishing near Castell Coch. Choose 33 mile or 44 mile routes through mountains, wooded vales and villages, organised by the Ridge Runners community.

Take on the Steam Challenge in Bridestowe on 30 August 2026 for a scenic out and back on an old rail line, run or walk 5.3 km laps and complete as many as you can within the event time limits. Places are limited to 70 entrants and medals aw..

Join the Plum 10K on 30 August 2026 in Pershore, a friendly community race hosted by Pershore Plum Plodders. Enjoy a welcoming vibe and strong club support from one of Worcestershire's established running clubs.

Run the Choo Choo Challenge on a scenic out and back along a disused railway near Bridestowe with mixed off road and paved sections. Tackle 1 to 14 laps in a field limited to 70 and finish to claim a medal.

Take on the RIDUM 30 mile trail ultra around the ridge tops near Cardiff, with about 4,252 feet of climbing and sweeping south east Wales views. Enjoy fully stocked checkpoints, race crew support and a finisher medal.

Take a guided 30 mile run along the dramatic Jurassic Coast, passing Corfe Castle, Kimmeridge Bay and Old Harry Rocks. This hilly, non competitive adventure is ideal for experienced trail runners seeking scenic, supported miles.

Dartmoor In A Day on 5 September 2026 is a supported cross country challenge across wild moorland with sweeping views to the sea. Choose 50 km or 30 km routes open to runners and walkers with checkpoints and navigation support.

Enjoy a scenic riverside run in Ross on Wye with 5K and 10K chip timed races plus a 500 m fun run for kids. Flat multi terrain routes may include grass and mud, every finisher gets a medal and prizes await top finishers.

Take on southern Dartmoor in this 10.5 mile trail challenge with over 550 metres of ascent and a dramatic volcano climb. Limited to 250 runners, the route features river crossings, bogs and sweeping moorland views.

The Relentless is a looped ultra near Bridgend on 18 September 2026 with 50 mile and 100 mile options over repeated 10 mile laps and big climbing. Limited to 25 runners per distance, the race features a well stocked hub for aid and crew.

Push your limits in the Trails & Tarmac Backyard Ultra near Crickhowell in the Black Mountains, running a roughly 4.2 mile loop that starts every hour. Be the last to complete a full loop to win and hit 32 miles to claim an ultra medal.