Trail Running Calendar Wales 2026-2027

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.

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..

Trail running at Loggerheads Copuntry Park with 6 km, 6 km Canicross and 12 km options, fully marked courses and no time limits.

A seven hour Time Challenge at Dare Valley Country Park offering distances from 3km to 50km, themed finisher medals and distance pins, on course aid with vegan options, and basic venue facilities including toilets and free parking.

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 race around Llyn Brenig from Corwen, using marked footpaths with GPS navigation, checkpoints and mandatory kit requirements.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

Coastal trail running at Oxwich Bay on 18 October 2026 with 21 km, 10 km and 5 km options plus chip timing and finisher medals.

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 guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails with limited ascent and regular regrouping stops.

A series of mountain trail races across the Black Mountains and Brecon Beacons offering four distances from 21 miles to 100 miles. Routes combine marked sections, GPS navigation and staffed checkpoints with mountain safety cover.

A 32 km fell event on Pen y Fan with three ascents via six different routes and an optional 16 kg weighted category; navigation and GPX use are required.

Winter fell race up Sugar Loaf covering 9.6 km with 485 m ascent from The Crown, Pantygelli; full WFRA kit required and entry via Fabian4 with limited parking.

Timed lap event at Barry Sidings Country Park with flexible start times, distances from 5 km to ultra on a tarmac out and back course and a medal or no medal option.

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

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 £..

Trail races at Oxwich Bay feature 10K, half, marathon and ultra courses across cliffs, dunes, woodland and beaches as part of the Endurancelife season.

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.