Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

We have found 187 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

An uphill only 10 km from Ruthin to the Jubilee Tower on Moel Famau, featuring mixed terrain and a summit finish above 550 m; transport back to town can be purchased on site.

A trail event at Cuerden Valley Park on Friday 9 October 2026 where runners complete repeated 5k laps within a six hour limit. Finishers receive an official time and a bespoke medal.

A 32 mile trail through the Cambrian Mountains from Camp Plas near Dolanog, capped at 100 runners and fully marked with checkpoints and a 14 hour cut off. The weekend includes on-site camping, catering, live music and lakeside activities.

Experience an off road run through the scenic pathways of Rivington starting and finishing at Rivington and Blackrod High School. This trail event is designed for runners with previous half marathon experience.

A looped 10 km trail in Howth, County Dublin, running over grassy tracks, woodland paths and sealed roads with two ascents to the Ben of Howth and views across Dublin Bay. Entry restricted to those aged 16 and above.

Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.

Canicross at Pennington Flash Country Park with forest and lakeside trails, mostly flat with some inclines. Two distance options, on-course marshals, and facilities including parking, a café, and toilets.

Trail races at Loggerheads Copuntry Park with a 6km loop, a 12km two-lap option and a 6km Canicross. Courses are marked and marshalled and entry fees range from £19 to £22.

An untimed 5k and 10k adventure run at Lyons Lane Motocross LTD in Shrewsbury on October 17, 2026. The course uses a MotoX track and includes brook crossings, hill climbs, a mud crawl and a water slide finish.

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* trail on the marked Brenig Way from Corwen to Llyn Brenig dam, with 1450 m ascent, varied upland and forest terrain, three checkpoints, required kit and GPS trackers provided.

A looped 8 hour ultramarathon at Delamere Forest where runners complete as many about 6 km laps as they can. The mixed gravel and trail course uses a single lap line with aid station, lap timing and a finishing medal.

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.

Snowdon, Cadair Idris and Pen y Fan are linked in a 17 mile route with 2,334 m of ascent, usually completed in about 19 hours. Guided options include mountain leaders, transport between peaks and on-route support.

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 night trail running event at Delamere Forest with a "Spooky Halloween" theme, reflective route marking, and distances including a 10k, a two-lap Half Marathon, and a 1k kids race with medals.

November 2026

Trail races of a half marathon and a 10K through Newborough Forest and Llanddwyn Beach on 1 November 2026. Courses are waymarked with marshals, an event village and a finisher memento.

A trail running event on 1 November 2026 at Sankey Visitors Centre in St Helens with 250 places, a minimum age of 15, and entries processed via SiEntries. Parking is very limited so car sharing is recommended.

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