Trail Running calendar near Bristol 2025-2026

We have found 337 Trailruns within 80 miles of Bristol. See below where and when you can find the races.

Run 47 miles along the River Thames from Henley to Kingston in the scenic MTC Windsor Ultra. Enjoy riverside views, three aid checkpoints and a bespoke finisher medal plus a choice of technical shirt, mug or hat.

Run the North Downs Way in about 100 miles from Farnham to Ashford, tackling rolling chalk downland and roughly 11,000 ft of ascent. This 30 hour Western States qualifier offers stocked aid stations and a memorable test of endurance.

UTMB Index

Tackle the Mendip Marauder on 8 August 2026, a rugged trail challenge offering 30 mile and 50 mile routes across woodlands, hilltops and classic Mendip landmarks. Both distances finish on Uphill Sands Beach in Weston Super Mare for a glorio..

Tackle the Sticklepath Horseshoe a 15.5 km fell race over rugged moorland with 519 m climb. Pre entry is limited so book early. Bring map compass and solid navigation skills as this event is not suitable for beginners.

The Brecon Beacons 51k will take place in Talybont-on-Usk on Saturday 8 August 2026.

UTMB Index

Join Ramsbury Gold 10km at Ramsbury Brewery for a scenic mostly trail run through woodland and footpaths with about 180 m of climbing. Canicross option, chip timing, medals and finish drinks included while supporting Brighter Futures.

A sharp 4.4 km fell race from the Ragleth Inn in Little Stretton featuring 390 m of climb and great ridge views; a fast, testing course for keen fell runners. Pre entry via SI Entries or entries on the day are welcome.

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.

The Southampton Running Festival will take place in Bishop's Waltham on Sunday 16 August 2026. You can run between 5 and 21 kilometers.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.

Discover the Summer MTC Green Man Ultra around Bristol's Community Forest Path with 45 and 30 mile clockwise routes finishing at Ashton Park School. With festival style checkpoints, a bespoke Green Man medal and a challenging scenic route.

Tackle rugged trails and dramatic escarpments at the Beast of Llangattock at Park Farm near Crickhowell, with distances from 10 km to a 51 km ultra. Expect steep technical terrain, well stocked aid stations and sweeping hilltop views.

The Big Pilgrimage follows the Old Way from Southampton along coast and country, including a scenic boat crossing of the Hamble River. Choose 15 mile or marathon and collect landmark stickers before finishing near Titchfield Abbey.

Enjoy scenic single lap 5K and 10K trail runs around Wimbleball Lake, with a canicross option for runners and their dogs. Part of the Wimbleball Sports Festival, it promises off road views, medals and a friendly festival vibe.

Run point to point along the Cambrian Way into Cardiff with two scenic trail ultra options, 44 miles from Llanthony Priory or 33 miles from Abergavenny. Expect rugged fells, woodlands and a dramatic finish near Castell Coch.

Join Worcester Woods parkrun every Saturday where Pershore Plum Plodders often gather to run, chat and enjoy refreshments after the run. Friendly, community focused and great for beginners and regulars alike.

September 2026

Run along the Thames at the Henley River Half Marathon, 10K and Junior Race starting and finishing at Temple Island Meadows. Enjoy a scenic mixed terrain course, themed medal, free photos and an event village with food and charity options.

Join a guided 30 mile trail run around the Isle of Purbeck, tackling very hilly coastal paths and 1400 m of ascent through iconic spots like Corfe Castle and Old Harry Rocks. This non competitive group run is scenic, challenging and social.

Take on the RIDUM 30 mile ultra on September 5, 2026 exploring ridge top trails around the Rhymney Valley with big climbs and mostly off road terrain. Well stocked checkpoints and post race care await finishers.

Run the rugged beauty of the Shropshire Hills at Battle of the Borders, starting from Carding Mill Valley and tackling the dramatic Long Mynd ridges. Choose marathon, half marathon or 10K on waymarked, scenic but rewarding trails.