Trail Running calendar near Swansea 2026-2027

Enjoy an 8 hour timed challenge along a scenic disused railway line in Devon. Complete as many 5.3 km laps as you like at your own pace with a flexible start time and inclusive atmosphere.

A classic fell race near Machen featuring a 7km course with 365m of ascent. Entry is on the day only for runners over 18. The route demands proper footwear and may require mandatory weather gear.

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.

Haytor Heller is an approximately 6 mile off-road moorland race around Haytor Rock, featuring steep climbs, descents, a stream crossing and two woodland sections. The event has a 350 runner limit, bespoke finisher medals, race photos and su..

A series of runs at Westonbirt Arboretum in Sept 2026 and Feb 2027, offering distances from 1 mile to half marathon on solid forest paths, with marked courses, feed stations, event medals and age‑based entry rules.

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 long-distance walking and running event crossing Wales over a 45 mile linear route to be completed within 18 hours, presented as a weekend package with accommodation, coach transport, refreshment stops and route maps.

Experience a flat multi terrain course along the banks of the River Wye. This festival of running offers chip timed 10k and 5k races plus a family fun run and Canicross options for everyone to enjoy.

A 10.5-mile, 100% trail race on southern Dartmoor touching Ryder's Hill and ascending the Red Lake Volcano, featuring river and bog crossings, steep ascent and descent, starting and finishing in Scorriton under Trail Running Association and..

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.

Sourton Tor Race uses a revised, slightly longer route with more uphill and a new start. The final race of the summer series includes marked junior races of 2 km and 3 km.

An eight mile community run from Barnstaple Pannier Market to Crow Point with a one mile children's race, an event village and a fundraising campaign marking 20 years of Families in Grief.

A 10 km fell race at Seatown and Chideock Hill on 13 September 2026 with about 570 m of climb. Entry is available beforehand or on the day for a £20 fee and the minimum age is 18.

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.

A river-centred event on 19 September 2026 combining a 43 mile ultra and a multi-leg team relay along the Exe Valley Way, highlighting the Atlantic salmon with community music, symbolic baton relays and partnerships with river conservation..

A 23 mile trail race across the Quantock Hills at Greatwood, Over Stowey in 2026. The event also offers the Pegasus Challenge four person relay; participants must be 16 or older and entry fees are GBP 44.04 to 49.46.

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.

Experience a historic ten mile trail race through the scenic Doone Valley in Exmoor. This hill focused course offers stunning views and commemorative medals for all finishers in a small field limited to 250 participants.

A single loop *10 km* trail at Woodbury Common with short climbs and stream crossings. Entry is for those aged 16 and over and includes a finisher medal plus prizes for top men and women.

MacTuffX Exeter on 20 September 2026 offers solo, doubles and relay formats built from ten 400 m or ten 800 m repeats. Entries are for adults only and fees vary by category and team size.