Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

An evening 4 mile trail run along the Wyre estuary on 10 September 2026 with an aid station offering water and a splash of red or white wine. Finishers receive a medal, a 187ml bottle of wine and a selection of cheese and crackers.

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.

Guided run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m ascent with support and catering.

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 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 countryside challenge from Wistanstow offering 12, 18 and 26 mile routes through Clun and Bishop's Castle with checkpoints, maps and a finish meal.

A 100 mile ultramarathon along the Cambrian Way from Rhayader, Wales, on 12 September 2026, with live GPS tracking, on-route support and a finisher medal.

The Spirit of Axnfell will take place in Isle of Man on Sunday 13 September 2026. You can run 32 kilometers.

A one lap 10K trail run through Yarrow Valley on 13 September 2026, routed along woodland paths and riverside trails with crossings of the River Yarrow. Based at the Flaming Grill Pub, entry is listed at £16 and every finisher receives a me..

Defeat Delamere is a forest run on 13 September 2026 at Delamere Forest, Frodsham, offering 5k, 10k, 16k and a junior race. Entries include race packs, finisher medals, t-shirts and post race hydration.

Women only 10 km event at Beacon Country Park with chip timing, marshals, medical cover and on course ambassadors, limited to 250 places.

A midweek multi-terrain race in Wallasey, part of the Wirral Multi-Terrain League, with senior races of 6.5 to 8 km and junior races of about 2 miles.

Multi-distance triathlons around Llyn Padarn with a mountain section on Snowdon. Solo and team entries available, with mandatory support crew for double and triple distances and compulsory safety kit for all athletes.

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 with full 28 km and half 14 km routes over several mountain summits on 19 September 2026.

A 12-hour last-person-standing obstacle endurance event at Killruddery Estate featuring repeated 5 km laps each hour and a finisher’s medal only for those still standing.

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.

Arrowe Park is the final race in a four‑event Wirral Multi‑Terrain League held across varied surfaces in September.

Trail races from 10K to 80K starting on Bray Seafront on 26 September 2026, across coastal paths, forests and the Wicklow Mountains.