Trail Running calendar near Bristol 2025-2026

We have found 298 Trailruns within 80 miles of Bristol. See below where and when you can find the races.

Tackle a guided 30 mile trail on the South Downs Way from Harting Down, West Sussex, passing Beacon Hill and the ancient yews of Kingley Vale. This friendly group run from Running Adventures offers a scenic, supportive challenge for experie..

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..

March 2026

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..

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..

Tackle undulating trails, muddy paths and a shallow stream crossing on an adventurous six mile route at Baggeridge Country Park. Join the Action Heart Tuff Un on 1 March 2026 to test yourself and support a West Midlands cardiac charity.

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.

Tackle the Hateful 8 Ultra Loop on 7 March 2026 at Bridgend. Run as many 9 mile loops as you can in 8 hours over mixed terrain with steep climbs and technical forest descents, plus support, snacks and a bespoke finish medal.

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.

Tackle the Hundred Hills 50 km, a challenging trail ultra at Stonor Park near Henley on Thames with two 25 km loops and 4000 ft of ascent. Five aid stations and hot food at the finish make for strong support.

UTMB Index

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 scenic chalk and sandy trails from Swanage to the dramatic ruins of Corfe Castle, with distances of 21km, 17km and 11km. Finishers can ride a private steam train back to Swanage; spectators welcome.

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.

Run through ancient trees and rolling contours at the DirtRun Wyre Wizard Trail in Wyre Forest. Choose a 13 mile half marathon or 7.6 mile Super Seven for scenic trails, medals and on course support.

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 6th Red Warrior at Margam Country Park on 22 March 2026 for challenging multi terrain races. Choose 5K, 10K or 20K with separate categories for canicross and solo runners and grab a 10% early bird discount with code RWEB.

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.