Trail Running calendar near Cardiff 2026-2027

We have found 396 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

Three trail races start and finish in Talybont On Usk in the Brecon Beacons on 7 November 2026. Options are a 49 mile ultra, a 26 mile marathon and a 13 mile half marathon, each with significant ascent and mixed terrain.

A twilight off road 10k around Eastbury Park and Chettle with wooded sections and historic landmarks. Medals, trophies and refreshments included and entries are limited to 200.

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.

A series of self navigated ultra and trail races along the North Devon and Exmoor coast on the South West Coast Path, offering 110 mile, 114 km, 65 km, 58 km and 38 km options with GPS tracking.

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.

A multi terrain race of about 12 km around Barton Farm Country Park in Bradford on Avon on 2 November 2025, featuring a river crossing and off road sections; the event raises funds for Alzheimer's Support (West Wilts).

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.

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.

Trail 5 km and 10 km races on the Bath Skyline with night and day options and a 500 m kids run. Mixed terrain routes are well marked and marshalled and finishers receive a two sided medal.

A winter 2026/27 night trail series across Somerset with four events and both 5km and 10km route options. Runners can enter individual events or the full series and order a bespoke wooden finisher's medal for each race.

A mountain fell race of 8.8 km with 714 m ascent around Llyn y Fan near Llanddeusant. The mostly unmarked, remote route requires navigation and mountain skills; entries are limited to 50 runners.

A ten mile cross country race around Castle Drogo with hilly, muddy terrain, Teign valley views and the steep Hunter's Path. The BM course climbs 1760 ft and includes water stations and event shirts.

A Movember charity run at Ashton Court Park offering 1.5k, 5k, 10k and half marathon options with chip timing, medals and headbands, mixed path and trail terrain, some hilly sections, and on course refreshments.

Callow Fell Race is an AS-category 8 km fell race with about 762 m of ascent around Little Stretton, featuring four steep climbs, limited signage, and mandatory WFRA kit; previous fellrunning experience is recommended.

A marathon and a half marathon in Broadway, Worcestershire set mainly on trails through the northern Cotswolds, featuring Broadway Tower, Snowshill and Stanway. Both races are licensed and the course is marked with marshals at key points.

Night trail running from Corfe Castle on 20 November 2026 with three waymarked routes across muddy tracks, ridges and woodland. The long route includes one outpost, toilets are only at the venue, and dogs are not permitted.

A six hour timed event at Dartington Hall with repeat 5 km laps and a canicross option. Mixed terrain, on-site catering and chip timing; proceeds support a new playground.

An evening trail at Dartington Hall with 10K and 5K single-lap courses, 1K and 2K kids races, and canicross. Green Table will host registration and refreshments while the event raises funds for a new childrens playground.

A seven hour Time Challenge at Dare Valley Country Park where participants choose their distance. Medals for 3 km finishers, distance pins for longer efforts, goody bags with vegan options, aid tables and free parking.

Night time looped trail run at Moors Valley Country Park on 21 November 2026 with 10 km, 20 km or 30 km options, compulsory headtorch and free main car park; runners can choose a tree planting option instead of a medal.

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