Trail Running Calendar Wales 2026-2027

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.

An 8.8 km fell race with 714 m of ascent around Llyn y Fan across remote moorland, requiring navigation and mountain skills. Limited to 50 runners, with entry refunds for car share and cyclists.

A 16.1 km fell race from Capelulo with about 594 m of ascent on partially marked terrain where navigation and experience are required. Entry is online only with a £12 fee and participants must be over 18.

A seven hour Time Challenge at Dare Valley Country Park where participants choose their distance. Medals for 3 km finishers, distance pins for longer efforts, goody bags with vegan options, aid tables and free parking.

A half marathon at Loggerheads Country Park run as three 7 km loops. Solo and three-person relay options are offered and the event has a 3.5 hour cut off.

A short but steep fell race near Llanfoist and Abergavenny covering 5.7 km with 485 m of ascent. The course is mostly unmarked, needs basic navigation and can be affected by poor weather.

Two trail distances on 28 November 2026 around Machen, featuring wooded single track, ridgeway exposure and steep climbs. The half course is fully marked while the marathon requires self navigation with marshals at key points.

The final race of the 2026 RTT Series takes place in Afan Forest with separate 5 km and 10 km routes from Bryn Bettws Lodge. The event features chip timing, finisher medals, marked and marshalled routes and water stations.

Ras Y Mast is a club organised running event held at Blaenwern Holiday Centre in Llanybydder, Ceredigion, featuring a mixed surface course of 6.5 miles and separate junior and senior races.

A lap based road event at Rhydycar, Merthyr Tydfil, on a 5.3 km AUKCM certified tarmac circuit along the Taff Trail. Runners choose how many laps to complete within a seven hour limit and can opt for a no medal entry.

Dash in the Dark Race 2 is a 6.4 km fell run with 229 m ascent at Llandegla Forest. A safety briefing is provided and a headtorch with at least two hours' lighting is compulsory.

Trail races at Alyn Waters on 5 December 2026 include 5 km, 10 km and a canicross 5 km plus a free children's 1 km dash. Courses are fully marked and marshalled, chip timed and finishers receive a medal.

Trail races along Offa's Dyke from Prestatyn seafront to summit finishes, offered as half, full and a 55.5 km ultra. GPS tracking, coach travel for ticket holders and a wooden finisher medal are provided.

A night trail in Llangollen covering 8 km and 5 mi with 244 m of climb. The route is partially marked and a good head torch is essential.

Winter trail races through Afan Forest and the Rhigos range finishing at Dare Valley Country Park. Options include a 34 mile ultra, a marathon and a linear half with marked routes, checkpoints and a compulsory kit list.

A 24 hour trail challenge from Maes Carafanau Llanbenwch in the Vale of Clwyd with visits to six trig points in out and back legs. Options include a four trig route and entries for solo runners or teams of three.

A trail half marathon on mixed terrain at Bridgend Miniature Railway Centre with a marked multi-section route, limited to 70 runners and a prize for imaginative Christmas fancy dress.

A pre Christmas trail run on Moel Famau from Bwlch Penbarras that keeps the distance a surprise. The course is between 6 and 12 kilometres, includes hills and varied terrain, and finishes with a mince pie and festive medal.

A hill race on the Skirrid near Llanvihangel Crucorny on 19 December 2026, covering 5.7 km with 450 m ascent. The route runs from a field start up to the ridge and summit, then down the north west ridge, with roadside parking and a kit dump..

A Christmas Carol bobble hat run at Dare Valley Country Park offering distances from 3 km to ultra and a 7 hour Time Challenge; finishers receive a themed medal, bobble hat and goody bag, with aid stations, toilets and free parking on site.