Trail Running calendar near Tudweiliog 2026-2027

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.

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.

A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.

A marked night trail in Glendalough with a 10 km loop and an about 4.8 to 5.0 km short option, including 490 m ascent and sections of the Wicklow Way and St Kevin's Way. Level B mandatory kit and a suitable torch are required.

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.

Trail half marathon and 10K through Newborough Forest and Llanddwyn, featuring single-track woods, coastal views of Eryri and chip-timed results.

A hilly trail event near Moel Famau offering 17 km and 10 km waymarked routes with checkpoints, mandatory kit requirements and reduced single use plastic measures. Support and recce days are provided by Run True.

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 £..

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.

The Glendalough Trail Run on Saturday, November 7, 2026 supports Fighting Blindness with a competitive 15 km option or a non-competitive 8.5 km walk or jog. Entry requires a minimum donation of €100.

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 10 km trail run through Clara Vale's ancient woodland, open farmland and riverside paths, marking the final race of the Gaelforce 10K Trilogy.

A 15.7 km fell race around the Clwydian Hills with 950 m of ascent. The route requires navigation and prior fell-running experience; toilets and refreshments are provided and team entry has no limit on runners.

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 55 km route on Anglesey visiting three high tops with over 2000 m of ascent, starting and finishing at Lligwy beach. The course is split into five supported sections with guides, checkpoints and a wooden medal on completion.

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 fundraising trail run in the Dublin Mountains with 13 km and 26 km courses, starting and finishing at Glencullen Adventure Park.

IMRA AGM 2026 Race is set for Saturday 21 November 2026 in County Wicklow. The long course is listed as 99.00 km with 999 m climb, while route and entry details remain to be confirmed.