Trail Running calendar near Thornbury 2026-2027

We have found 509 Trailruns within 80 miles of Thornbury. See below where and when you can find the races.

An eight-day event in Telford where runners can choose 8 miles, 16 miles, or a full marathon each day; enter any combination of days and receive a medal for each race.

A series of self navigated coastal ultra events on the South West Coast Path in November 2026, from 38 km to 110 mile, with GPS tracking and route features through North Devon and Exmoor.

Coastal trail running at Oxwich Bay (Gower AONB) on 7 November 2026, with four distances from 10K to 34.2 miles across cliffs, dunes and woodland. Finishes earn points toward the Endurancelife 26-27 season leaderboard.

Night trail running at Stonor Park in the Chiltern Hills with three marked and timed routes from 7 km to 17 km. Outposts serve the middle and long courses, reusable cups are required, and headphones and dogs are not permitted.

Three trail distances take place around Talybont On Usk on 7 November 2026: a 49 mile ultra, a 26 mile marathon and a 13 mile half marathon, all on mixed trail, mountain, canal and road terrain.

A twilight off-road 10 km through a reputedly haunted parish of Dorset, starting and finishing in the park in front of Eastbury House. The route passes Chettle woods, Bloody Shard Gate and Chettle Long barrow.

Experience a 30 mile ultra marathon through the heart of the Brecon Beacons featuring the summit of Pen y Fan. This trail event offers technical terrain and scenic reservoir views with a strict 200 runner limit.

Trail running at Stonor Park on 7 November 2026 with three waymarked routes through the Chilterns Area of Outstanding Natural Beauty. Distances range from 7 km to 22 km with steep sections and self serve outposts; bring a reusable cup.

A torchlit trail run from Winchester Athletics Track with 12 km and 22 km options across the South Downs Way and local trails. The course is fully marked; headtorches and at least 500 ml of fluid are required.

Multi distance coastal ultras along the South West Coast Path in November 2026, run as self navigation with GPS tracking. Routes cross Exmoor National Park and include significant elevation and varied coastal terrain.

A 7 mile chip timed trail race around The Blue Pool in Dorset on 7 November 2026. The route passes woodland, hills, heath and ridges and includes a capped canicross category; entry includes pool access for one adult and up to two children.

Experience an evening off road run through the tracks and trails of The Wyre Forest. This ten kilometer event features a two lap course in the dark where torches are required and canicross runners are welcome.

A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualific..

Trail Half Marathon Wales runs in Margam Country Park and Forest on 14 November 2026, offering a fully marked half marathon and 10k on forest trails with checkpoints, safety cover, and included car parking.

Off road 5 km and 10 km races around the Bath Skyline in November, with night and day options, a kids 500 m and a canicross wave. Mixed trails, muddy sections and marked routes with a large two sided medal for finishers.

A winter 2026/27 night trail series in Somerset featuring four events with 5 km and 10 km options. Entries are available per race or as a full series and finishers can pre-order a bespoke wooden medal.

Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.

An 8.8 km fell race with 714 m of ascent around Llyn y Fan across remote moorland, requiring navigation and mountain skills. Limited to 50 runners, with entry refunds for car share and cyclists.

Trail running from Roundhill Campsite in the New Forest near Brockenhurst with 21.6 km, 16.7 km and 10.0 km options on wide gravel paths through woodland and heathland, with on-course drinks, chip timing and finisher medals.

A 10 km multi terrain trail run around Beckbury, Shropshire, featuring the Badgers Bite Hill, marshalled and signposted with a halfway drinks station and a finisher medal.

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