Trail Running Calendar Wales 2026-2027

A fell race in Machen of about 7 km with 365 m of ascent, with registration at Machen Welfare Ground and start and finish on Church Street. Entry is £7 on the day and participants must be over 18.

Experience an endurance challenge along the coast with solo and relay options ranging from 50 to 130 miles. This multi day event features strictly timed checkpoints and self navigation in a stunning natural environment.

Experience a 30 mile ultra marathon along the scenic ridge tops of the Rhymney Valley Ridgeway Walk in South East Wales with no time limits and full course support.

Experience a 102 mile self navigation mountain race through Snowdonia Eryri National Park. This event features 5172 m of elevation and 11 supported checkpoints for qualified ultramarathon runners.

A 45 mile mountain ultramarathon in Snowdonia Eryri on 5 September 2026 with 2800 m ascent and a 20 hour cut off. Entry requires previous ultra and mountain experience and mandatory navigation kit.

Experience an all-terrain run from Barmouth beach to the summit of Cadair Idris. Choose from three distances featuring coastal views and mountain trails with full marshal support and chip-timed results.

A six day, multi stage 380 km ultra across the spine of Wales with unmarked navigation and about 17,400 m of ascent. Two day Dragon's Fire and Dragon's Tail options cover the northern and southern sections respectively.

A guided mountain run across the 15 Welsh 3,000 ft peaks in Snowdonia covering about 30 miles and 4,000 m of ascent. Transport, a mountain guide, support vehicle and food stations are included in the booking price.

Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.

A 12 km canitrail and trail run in aid of PAPYRUS at Halo Ogmore Valley Life Centre in Ogmore Vale on 13 September 2026, held in person with a stated ticket price and a no refunds policy.

Coastal trail races in Abersoch on the Llyn Peninsula offering 20K, 10K and short beach runs along coastal paths and sand, with chip timing, drink stations, medals and a beach finish area with music and food.

A backyard ultra near Crickhowell on a 4.167 mile loop of trail and tarmac. Runners complete hourly laps with a final raced lap to decide the winner, medals for yard completions and a special medal at 32 miles.

Multi-distance triathlons in Llanberis with a lake swim in Llyn Padarn, repeated 28 mile bike laps including Pen y Pass, and lake laps followed by a mountain ascent of Yr Wyddfa via the Llanberis Path.

Ras Pedol Peris in Llanberis on 19 September 2026 offers full and half fell race routes visiting several Eryri summits. Distances are 28 km with 2600 m ascent and 14 km with 1350 m ascent.

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

A multi day continuous race across three Welsh peaks covering 286 km and 11,300 m of ascent. Competitors enter solo or in teams of 3 or 6 and use indoor checkpoints and outdoor support stations along the route.

Three long distance trail races along the Wales Coast Path in the Gower AONB, with routes that cross beaches, cliffs, marshes and farmland. The event offers navigation support, checkpoints, GPS tracking and finishers medals.

MacTuffX Swansea on 26 September 2026 features solo, doubles and team relay formats over ten 400 m or ten 800 m legs, with entry restricted to participants aged 18 and over and fees varying by category.

RTT Margam Trail at Margam Country Park offers 5 km and 10 km trail routes on woodland paths with views of Margam Castle. The event includes chip timing, water stations, marshalled routes and parking included with entry.

An uphill only 10 km race from central Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 metres. After the race a short walk leads to Bwlch Penbarras for medals and an optional bus back to Ruthin.