Trail Running Calendar Wales 2026-2027

Repeat a 9 mile mixed-terrain loop at The Nature Centre, completing as many laps as possible within an eight hour limit.

A 7 hour Time Challenge at Dare Valley Country Park with flexible distances from 3 km to ultramarathon options. Finishers receive a themed medal, distance pins and refreshments including doughnuts and ice cream.

A short fell race on Fan Fawr covering 3.2 km with 305 m of climb, requiring experience and navigational skills. Entry is on the day only for £2; minimum age over 16 and junior races to be confirmed.

Uphill only 10 km from Ruthin to Moel Famau finishing above 550 m, featuring varied trails, a steep final gully and an optional bus return to Ruthin.

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 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.