Trail Running Calendar Wales 2026-2027

We have found 171 Trailruns in Wales. Check below where and when you can find the races.

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.

A 12 hour Backyard Ultra on a 4.2 mile loop near Crickhowell in the Black Mountains. The final lap is run in reverse as a sprint to decide male and female winners; medals are awarded for 32 miles or more.

Multi-distance triathlons in Llanberis combining lake swims, laps on a 28 mile bike circuit, lake-run laps and a mountain section up and down Yr Wyddfa. Solo and 2–4 person relay entries available; support crews required for ultra events.

A short beach race along Abersoch beach on 19 September 2026 that mixes hard and soft sand and several groynes. Finishers receive a zinc alloy medal and winners earn cash prizes including a course record bonus.

Ras Pedol Peris is an AL Welsh fell race in Eryri near Llanberis on 19 September 2026, visiting major summits including Snowdon. Two course options are offered: a full 28 km with 2600 m ascent and a half 14 km with 1350 m ascent.

A 15.5 km fell race with 840 m of climb near Glyntawe. The route includes exposed ridges and technical sections so advanced navigation and mountain skills are required.

A scenic, hilly trail half marathon in the Cothi valley near Pumsaint, offering a 13 mile race, a 6.5 mile alternative and a kids race, based at Pumsaint Village Hall on 20 September 2026.

The Porthkerry 5MT is a five mile mixed terrain race in Porthkerry Country Park, offering coastal views and diverse surfaces. The 2026 edition marks the race's 20th anniversary and includes the South Wales Regional Trail Championship.

A multi day continuous 286 km mountain race across Wales with over 11,000 metres of ascent. Enter solo or in teams of three or six; the course links Llanberis, Yr Wyddfa, Cadair Idris and Pen y Fan with five supported checkpoints.

Three coastal trail races on 26 September 2026 around the Gower Peninsula offer routes of 50, 34 and 23 miles along cliffs, bays and coastal paths. The event is self navigated with checkpoints, GPS tracking and coach transfers to starts.

A functional fitness race at Neath Sports Centre on 26 September 2026 featuring ten Xercises plus running, with Solo, Doubles, and Relay categories and standard and LITE weight divisions.

A Category B Medium fell run of 11.6 km with 425 m ascent around Glyn Ceiriog on 26 September 2026. Entry is £6 on the day and runners should expect to carry WFRA recommended kit while refreshments and changing facilities are available.

Guto Nyth Bran is a fell race on 26 September 2026 at Bedwas Community Hall covering 9.6 km with 396 m of climb. The course is partially marked, includes a short walk from parking, and is for entrants over 18.

A fully waymarked sea to summit ultramarathon from Caernarfon Castle to Rhyd Ddu, covering 29 miles with about 5600 ft of ascent. Professional mountain safety and medical teams support runners and finisher medals form part of the Sea to Sum..

Trail race at Margam Country Park offering 5 km and 10 km routes through woodland with castle views. The event features chip timing, water stations, a finisher's medal and parking included with entry.

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