Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

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.

Experience an undulating off road trail run through Cuerden Valley Park. Complete as many five kilometer laps as you choose within a six hour limit to earn your finisher medal.

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.

UKA British Fell & Hill Relays in Dinas Mawddwy, Powys, uses a four legs relay format and is hosted by Meirionnydd Running Club. The SiEntries listing shows the event setup is in progress and further details are pending.

An untimed outdoor mud run at Lyons Lane Motocross LTD featuring brook crossings, hill climbs, a mud crawl and a water slide finale. Entrants can choose 5k or 10k and children from 8 must follow supervision rules.

Cadair X is a 13.1 mile mountain half marathon with 1165 m of ascent that climbs to the 893 m summit of Cadair Idris. The marked route crosses woodland, glacial lakes and technical summit terrain and a GPX file is available.

A 50 km marked trail on the Brenig Way from Corwen to Llyn Brenig, with 1450 m ascent, three checkpoints and mandatory kit requirements; navigation uses waymarkers, a GPX file and an event map.

An 8 hour looped event at Delamere Forest where runners complete as many 6.02 km woodland loops as they can; a single aid station provides refills and snacks and results record laps, distance and elapsed time.

Discover Warrington's historic transport networks on this circular half marathon. Enjoy a marshalled trail route along canals and rivers with chip timing and a finishers medal included.

Experience a fast and flat out and back race along a historic railway path. Enjoy scenic views of the Dee Estuary and Wales while completing this chip timed event on the Wirral Way gravel trails.

The James Coulson Laxey Fell will take place in Laxey on Saturday 24 October 2026. You can run 13 kilometers.

A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails, led at a steady pace with regular regrouping stops; organised by OutFit with standard and member entry options.

A nighttime trail race at Delamere Forest with a Spooky Halloween fancy dress theme. Options include a 10k single lap or a Half Marathon two lap course with a glow in the dark finisher medal and event photos included.

An evening Halloween 5k at Herons Reach, Blackpool on 31 October 2026 featuring a multi-terrain park route with themed sections, compulsory head torch, glow-in-the-dark finisher medals and age-category awards. Pre-booking is required and fe..

A trail Half Marathon and 10K on Anglesey on 1 November 2026, with routes through Newborough Forest and along Llanddwyn Beach offering views across the Menai Strait to Eryri. The event includes marked courses, marshals, an event village and..

A trail running event at Sankey Visitors Centre in St Helens on 1 November 2026, organised by St Helens Striders. Places are limited to 250, entries open 1 December 2025 and require a SiEntries account; minimum age 15.