Trail Running calendar near Porthmadog 2026-2027

The Ras yr Aran will take place in Llanuwchllyn on Saturday 20 March 2027. You can run 10 miles.

Trail races in the Cambrian Mountains on 20 March 2027 offering 25 km and 10 km routes plus junior races, waymarked courses with GPX backup, feed stations, mandatory kit requirements, and a not for profit event village.

Three long distance mountain trail races start and finish in Brecon, following circular routes through the Brecon Beacons National Park. Distances range from a marathon to a 100 km ultra with marked routes, checkpoints and compulsory kit re..

A spring running and walking festival in the Shropshire Hills with off road distances from 10 km to 80 km. Events raise funds for the Grow Cook Learn charity and feature varied trail terrain and staffed checkpoints serving local food.

An 8.6 mile multi terrain race around Trawsfynydd Lake on mixed tarmac and trails with 175 m ascent, chip timed and marshalled. Proceeds support South Snowdonia Search and Rescue; open to athletes aged 17 and over.

Summit 2 Sea is a roughly 13.8 mile trail half marathon from Moel y Parc along the Offa's Dyke National Trail to Prestatyn beach. The route includes over 2450 ft of ascent, two feed stations and specified mandatory kit.

A 50 km women focused event in Pwllheli on 17 April 2027 with a strict no-crew policy, minimum age 18, limited refund rules, and recommended third-party insurance.

A 102 mile trail ultramarathon around Chester on Saturday 17 April 2027 with 1590 m of ascent and a 32 hour cut off. The route links regional trails and canals, features 12 staffed checkpoints and live GPS tracking.

Point-to-point 50 km and 100 km trail routes along the North Wales coast from Prestatyn to Bangor on 24 April 2027. Routes combine long coastal sections and inland hills with aid stations, tracking, chip timing and medical cover.

A Marches LDWA challenge walk from Holdgate near Much Wenlock with 22 mile and 10 mile routes across Abdon Burf and Wenlock Edge. Checkpoints offer refreshments and proceeds support local church communities.

Pretty Muddy 5k at Weston Park is an obstacle course across paths, tracks and grass with some hills and on site parking. Entrants must be at least 13 and take part in staggered wave starts while raising funds for Cancer Research UK.

A 24 hour ultra from Prestatyn along the Offa's Dyke Path where solo runners and teams aim to reach the furthest south point in the allotted time. Six staffed checkpoints, GPS tracking and a mandatory kit list support participants.

A 115 km multi-discipline route from Abersoch beach to Snowdon and back, combining a 1.5 km sea swim, road cycling, a mountain ascent via the Watkin Path and a final 1 km beach run.

Trail races around Moel Famau in the Clwydian Range offering Marathon, Half Marathon and 10k on hilly off-road routes. Checkpoints provide refill taps, mandatory safety kit is required and canicross entries are accepted.

An off-road 10 km run in Llangollen along the canal on 9 May 2027, with an undulating yet quick course. The event includes a finisher medal and a separate one mile race for children aged 5 to 10.

A measured, chip-timed 5k through Middlewich canals and trails with a family fun run on the cricket pitch; medals, goody bags and age-group prizes for finishers.

A measured 50 km route from Telford Town Park to Shrewsbury that passes historic sites such as Ironbridge, Buildwas Abbey and Wroxeter Roman City. The event features chip timing, five nutrition stations and a bespoke finish medal.

A 5 km muddy obstacle course at Birkenhead Park featuring climbing, crawling and sliding. Organised by Cancer Research UK, the event uses staggered wave starts and requires participants to be 13 or older.

A fully supported trail running event in May 2027 following the Heart of Wales Line Trail from Llandrindod Wells to Craven Arms, with three waymarked distances: 50 miles, 26 miles and 16 miles.

Three trail races (50, 26, 16 miles) follow the final sections of the Heart of Wales Line, finishing at the Shropshire Hills Discovery Centre, with baggage transfer and varying checkpoint support by distance.