Trail Running calendar near Harlech 2026-2027

A night trail event at Delamere Forest with a Spooky Halloween theme, reflective course markings and races over 10 km and a half marathon.

Trail running in Newborough Forest and Llanddwyn Island with 10k and half marathon options, chip timing and on course support.

Trail race at Sankey Visitors Centre in St Helens on 1 November 2026 with places limited to 250 and a 15 plus age requirement.

Eight-day race series in Telford offering 8 miles, 16 miles or a 26.2 mile marathon each day. Each day is a separate race with its own medal and Race HQ at The Unicorn Inn in Little Dawley.

Inclusive Canicross at Mere Sands Wood with a timed 1 mile run and an optional 2.5 km social run, on scenic flat woodland trails with café and parking.

A trail race on 1 November 2026 around Moel Famau with 17 km and 10 km routes, on‑site registration, mandatory kit and a focus on reduced single use plastic.

A forest run at Llandegla Forest Visitor Centre covering 6.4 km with 229 m of ascent. The event includes a safety briefing and requires a whistle, waterproof top, hat, gloves and a headtorch with at least two hours of good lighting; entry £..

Three trail races around Talybont On Usk on 7 November 2026, from a 13 mile half to an approximately 49 mile ultra that includes an out and back to Pen y Fan.

Out-and-back 10.3 km fell race from Llanfachreth with 562 m ascent, unmarked upper section and mandatory kit; includes a 3 km junior race and team entries.

A November club organised trail race on a 5 mile route with marshals and marked signage. Registration and post race activity are at The Delph Tavern and car parking is at Upholland High School.

A winter coast to coast ultra on the Llŷn Peninsula on 7 November 2026, with solo 37.5 mile and team of four entry options, organised by Pen Llŷn Ultras and offering age 16 plus eligibility and several entry extras.

A 15.7 km fell race with 950 m ascent around the Clwydian Hills based at Cilcain Village Hall; navigation skills and prior experience are required.

A circular 36 mile ultra around the Wirral Peninsula with about 812 ft of ascent, mixed terrain and five food and water stations. The route is tracked, largely waymarked and starts and finishes at Hooton Memorial Hall.

Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.

A guided 55km route on Anglesey taking in three of the island's highest tops, with over 2000 m ascent, checkpoint support and a wooden finishers medal.

A 40 mile trail ultramarathon starting and finishing in Lymm that circumnavigates Warrington on tracks, paths and lanes. The 2026 race is on 14 November with solo, pair and four person relay entry options.

The Llyn y Fan will take place in Llywel on Saturday 14 November 2026. You can run 9 kilometers.

A 16.1 km fell race around Penmaenmawr with about 594 m of ascent, based at Capelulo Village Hall. The route is partially marked and requires navigation; entry is online with a £12 fee.

A 10 km multi terrain trail run around Beckbury, Shropshire, featuring the Badgers Bite Hill, marshalled and signposted with a halfway drinks station and a finisher medal.

Callow Fell Race is an AS-category 8 km fell race with about 762 m of ascent around Little Stretton, featuring four steep climbs, limited signage, and mandatory WFRA kit; previous fellrunning experience is recommended.