Trail Running calendar near Dyffryn Nantlle 2026-2027

We have found 176 Trailruns within 80 miles of Dyffryn Nantlle. See below where and when you can find the races.

Trail races around Yr Wyddfa in Snowdonia with 10K, half marathon, marathon and a 57 km ultra. Chip timing, on-course support and a family fun run with proceeds to the Llanberis Mountain Rescue Team.

A 24 hour ultra trail on Yr Wyddfa in Llanberis where solo runners or teams of up to five complete as many ascents and descents as possible. The event is UTMB indexed and offers chip timing, on course support and bilingual services.

Trail event at Carding Mill Valley offering 10K, half marathon and marathon routes across the Shropshire Hills and Long Mynd, with marked trails, aid stations and a medal included.

Ludlow10 on Sunday 12 July 2026 offers 5k, 10k and half marathon routes through town roads, local woods and trails. Post race hospitality continues into the day.

A five mile multi terrain race in Arrowe Park, Wirral on Sunday 12 July 2026. The route mixes woodland trails, grassy paths and parkland and includes on course water, chip timing and a finisher medal.

A monthly trail race at Wirral Country Park, the July event on 14 July 2026 uses an approximately 8K course and is open to runners aged 16 and over. Entry is £16 for one race or £64 for the full five-race series.

A fell race at Plas Dolben near Llangynhafal covering about 8 km with 457 m of climb on a partially marked course. There is a 50 minute cut-off at the top gate, entry on the day is £5 and minimum age is over 16.

A short pairs race on Haddon Hill in Carding Mill Valley where one runner sprints to the top, tags a partner, and the partner runs back down. Entries are on the day only at £10 per pair and the minimum age is over 12.

A guided traverse of all 14 Snowdonia peaks over 3000 ft, about 50 km with 4000 m ascent, offered as a 20 hour or 2 day guided challenge with run and walk pace options and low ratio mountain leadership.

An inflatable obstacle course event in Knutsford, Cheshire on 18 July 2026 offering 2.5K, 5K, 10K and 15K options. The course includes giant inflatables, music zones, a finisher's medal and on course water and vendors.

A mountain running event on 18 July 2026 covering 15.35 km with 994 m ascent. Entrants must be 18 or older and have mountain running experience.

Two trail races in Aymestrey, Herefordshire, both climbing to the Iron Age hillfort at Croft Ambrey. Routes are fully marked with water stations and a separate juniors 2 km race with medals.

The All Terrain Challenge will take place in Castletown from Sunday 19 July 2026 to Saturday 25 July 2026.

A fully guided three day loop through northern Snowdonia covering just over 100 km, about 9,000 m of ascent and 47 summits. Small groups return to Capel Curig each night with daily support and refuelling.

A short fell race of 5.54 km with 315 m of ascent, run on a partially marked route that requires navigational skill and prior fell-running experience. Entry on the night costs £3 and the event is insured by the WFRA.

An endurance format event on 25 July 2026 at The Sidings, Wirral Country Park. Runners complete a 4.167 mile loop each hour until only one remains; the event is sold out with a waiting list.

A 5 km Pretty Muddy obstacle course through Sefton Park in Liverpool on mixed gravel and grass, with obstacles to climb, crawl and slide. Entry includes a fundraising pack, a customisable back sign and a finishers medal.

A 6.4 km fell race near Llangollen with 289 m of climb and partial course marking. Entry on the day only for £5 and there are no toilet facilities because the café is closed.

A short, steep fell race near Middletown on 29 July 2026 covering 2.8 km with 440 m ascent. Pre entry via SI Entries costs £7 or £10 on the day; junior races are included.

August 2026

A 10 km mountain run in County Wicklow with 680 m of ascent, visiting Art's Cross, Fair Mountain and White Hill on an unmarked route. GPS is not allowed and Level B mandatory kit must be carried.

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