Trail Running calendar near Dyffryn Nantlle 2026-2027

We have found 166 Trailruns within 80 miles of Dyffryn Nantlle. See below where and when you can find the races.

A fell race near Pwllheli over a single 8 km route with 490 m of climb that takes in the three peaks of the Eifl. Entry on the day only costs £10 and the event is insured by the Welsh Fell Runners Association.

Raven 7 is an 11.25 km fell race with 445 m of ascent around Llanarmon yn lal, based at the Raven Inn. Entry is £5 on the day and the course is partially marked.

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..

Coastal trail races in Abersoch on the Llyn Peninsula offering 20K, 10K and short beach runs along coastal paths and sand, with chip timing, drink stations, medals and a beach finish area with music and food.

Multi-distance triathlons in Llanberis with a lake swim in Llyn Padarn, repeated 28 mile bike laps including Pen y Pass, and lake laps followed by a mountain ascent of Yr Wyddfa via the Llanberis Path.

Ras Pedol Peris in Llanberis on 19 September 2026 offers full and half fell race routes visiting several Eryri summits. Distances are 28 km with 2600 m ascent and 14 km with 1350 m ascent.

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

A multi day continuous race across three Welsh peaks covering 286 km and 11,300 m of ascent. Competitors enter solo or in teams of 3 or 6 and use indoor checkpoints and outdoor support stations along the route.

Trail running event from Bray Seafront into the Wicklow Mountains offering distances from 10 km to 80 km across coastal, forest and mountain terrain. Races use marked and marshalled routes with finish-line mementos and refreshments.

A 30.9 mile ultra on 26 September 2026 from Blackpool Tower to Lancaster Castle with a short ferry crossing. The marked route runs along promenade, coastal paths and country roads with compulsory checkpoints and mandatory safety kit.

A mid distance fell race at Canolfan Ceiriog Centre in Glyn Ceiriog on 26 September 2026 covering 11.6 km with 425 m of ascent. Entry is £6 on the day and the centre provides refreshments and changing facilities.

Explore the scenic woodlands of Cheshire with the Delamere Forest Wildwood Trail Series. Choose between 10k or half marathon distances on a technical trail course with canicross options available for dog owners.

Trail running in Blackpool on a 10K loop with longer race options, views of Marton Mere and Blackpool Zoo, drink stations and bespoke finisher medals.

Breidden Hills is an 11.5 km fell race around Criggion, Shropshire with 790 m of ascent. The course is partially marked so navigational skills and kit checks are required, entrants must be over 18 and entry is £8.

October 2026

An uphill only 10 km race from central Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 metres. After the race a short walk leads to Bwlch Penbarras for medals and an optional bus back to Ruthin.

A fully marked 32 mile trail run in the Cambrian Mountains, based at Camp Plas with exclusive camping and support, limited to 100 runners and a 14 hours cut off for the main route.

A trail half marathon around Rivington starting and finishing at Rivington and Blackrod High School, organised by Chorley Women FC. Entrants should have prior half marathon experience and entry is ticketed with a T-shirt option.

The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a..

An inclusive Canicross at Pennington Flash Country Park on 11 October 2026, with scenic lakeside and forest trails. Two course options of about 1.5 to 2 km and 4 to 5 km, onsite facilities and marshals for course support.

Trail races at Loggerheads Copuntry Park with 6 km, 6 km canicross and 12 km options; courses are marked and marshalled, have no time limits, and take place in a scenic setting with on-site facilities.

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