Trail Running Calendar Wales 2026-2027

We have found 182 Trailruns in Wales. Check below where and when you can find the races.

A hill race near Porthmadog covering 7.2 km with 564 m of ascent, partially marked and requiring navigational skills and experience. Entry is day only for £5 and teams may enter free.

A 7 km fell race with 365 m of ascent in Machen on 31 August 2026. The route runs on steep, loose terrain so trail or fell shoes are recommended and entry is on the day with a £7 fee and age limit over 18.

A 7.4 km mountain race with 380 m ascent in the Clwydian Range, held during the Cilcain Show. It includes senior inter-regional and North Wales regional championships, junior races with free entry, and on-site facilities.

September 2026

Experience an endurance challenge along the coast with solo and relay options ranging from 50 to 130 miles. This multi day event features strictly timed checkpoints and self navigation in a stunning natural environment.

A multi-terrain off-road race of about 4 miles in Shotton on 4 September 2026, with pre-entry fees (£10, £8 affiliated), prize categories by age, a minimum age of 17, and a 200-person entry limit.

A new *15 mile* trail event in September 2026 on the Rhymney Valley Ridgeway Walk, with 2,267 ft of ascent, mostly off-road terrain, one fully stocked checkpoint and organised entry support from Rudry to Parc Penalta.

A 102 mile self navigation ultramarathon across Snowdonia Eryri with 5,172 m of ascent, 11 checkpoints and a 42 hour cut off. Entrants need prior 50 mile ultramarathon experience, mandatory mountain kit and GPS tracking.

A 45 mile mountain ultramarathon in Snowdonia Eryri around Betws y Coed on 5 September 2026, limited to 250 runners. The route includes mountain summits, five supported checkpoints and mandatory mountain navigation and safety kit.

Trail races from Barmouth beach to Cadair Idris across coastal, forest and mountain terrain, offered in three distances with marked routes, GPX files, marshals, chip timing and post-race refreshments.

A single hill fell race over a classic horseshoe route to Waun Fach covering 11.2 km and 610 m ascent, based at Dinas Castle Inn with marshals, first aid cover and a maprun variant for solo or paired efforts.

A 14.5 km fell race with 855 m of ascent over upland moorland and rough off road terrain. Competent navigation and mountain skills are required; entry is limited and includes a soup roll and electronic timing.

A multi stage mountain ultra across Wales offering a six day Full Dragon of 380 km and 16,400 m ascent plus two day and partial route options. Navigation is unmarked; organisers provide a paper map, GPX files and a safety GPS tracker.

A 24 hour loop race at OnePlanet Adventure in Llandegla, Wales. Individuals or two person teams run as many 3 mile laps as possible on forest trails with about 144 m elevation per lap.

A guided day running across all 15 Welsh 3000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m of ascent. Transport, mountain guide and support vehicle are included and the event is run as a non competitive guided outing.

Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.

An 8 km mountain race over the three peaks of the Eifl near Pwllheli with about 490 m of ascent. Main race for over 16s with entry on the day £10; junior races are held with a £3 entry.

A partly marked fell race from the Raven Inn, covering 11.25 km with 445 m ascent. Day-entry only at £5, minimum age over 18, and participants should allow about 15 minutes to walk to the start.

A long, non-commercial fell race in the Black Mountains with a 27.4 km route and 1586 m of ascent. The event uses five checkpoints, requires full navigational kit, and operates on open access land with no on-course water provided.

A half marathon trail across the Clwydian Hills to the summit of Moel Famau, featuring about 21.4 km and 750 m of ascent. Staggered starts aim for a shared sunset summit and canicross entries are welcome.

A 12 km canitrail and trail run in Ogmore Vale on 13 September 2026 supporting PAPYRUS Prevention of Young Suicide, held at Halo Ogmore Valley Life Centre with a listed ticket price of 26 GBP and a no refunds policy.

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