Trail Running calendar near Hafren Forest 2026-2027

A surprise-distance trail run at Bwlch Penbarras with an earlier Canicross start; organisers reveal the last kilometre. The marked, marshalled course is 6 to 12 kilometres across hilly terrain and includes a chocolate treat and a finishers'..

Explore the Llanberis to Ogwen Valley leg of the Paddy Buckley Round with this guided 15 km mountain run featuring 1,830m of elevation gain across the Glyders in North Wales.

The Ultra in the Black Country returns for its ninth year in March 2026. This 32-mile scenic loop starts and finishes at Baggeridge Country Park. The traffic-free route explores disused railways, canal paths, and tunnels, and can be run sol..

Explore the Carneddau leg of the iconic Paddy Buckley Round on this 16 km guided mountain run. Gain 1,245 m of elevation while learning the route from qualified Mountain Leaders in the heart of Snowdonia.

Take on the finale of the Shropshire Winter Series at Ercall Wood, a tough 8.8 km fell race climbing 519 m on scenic Ercall Hill. Pre entry or on the day entries accepted and junior races run for ages 12 to 17.

Celebrate a birthday with a Cakeathon in South Wales. Run or walk a flexible number of laps on a 5.3km course through Parc Taf Bargoed. Choose your distance and enjoy a 7-hour event with a finisher's medal and cake.

Family friendly event at Telford Town Park with 2.5K and 5K routes, a finisher teddy for each participant, and a post-race teddy bears picnic. The event raises funds for Birmingham Children's Hospital and encourages fundraising.

Join the 45th Wrekin Fell Race in Telford for a classic Category A short fell race featuring 1700 feet of climbing. Finish the Shropshire Winter Series at Ercall Wood Academy with distances for both senior and junior runners.

Experience a trail run through the UNESCO Dyfi Biosphere and along the Wales Coast Path. This event features a half marathon and a two lap marathon with 850m of elevation gain in the stunning Snowdonia National Park.

A 30 mile circular ultra on 4 April 2026 around Monmouth, covering parts of the Three Castles Walk and Offa's Dyke Path with 4,258 ft of elevation and two fully stocked checkpoints.

Tackle this fully guided 68km linear trail from Pentrefoelas to Bodfari, gaining 1,840m of ascent. With checkpoint support and qualified guides, the focus is on steady progress through remote landscapes. Finishers receive a wooden medal and..

Experience the unique challenge of racing on the firm sands of Pendine Beach. Choose from five distances ranging from 5k to an ultra marathon on a course famous for land speed records.

Enjoy a festive multi terrain run around the picturesque Chasewater Reservoir with distances ranging from a Junior Run to 20 km. This undulating course features professional timing, bespoke medals, and a friendly atmosphere.

Three coastal trail races of 32.5, 18.5 and 10 miles follow the Wales Coast Path along the Vale of Glamorgan, with waymarked routes, staffed checkpoints, and coach transport for the linear course finishing at Ogmore-by-Sea.

Experience the rugged beauty of the Gower Peninsula with a self navigation half marathon or marked trail runs of 10km and 5km. Enjoy coastal paths and woodland trails starting from the scenic Oxwich Bay.

SheUltra is a 50 km ultrarun on 11 April 2026 in Pwllheli, United Kingdom. The event enforces a no crew no pacers policy, requires mandatory kit, and recommends third party insurance.

Experience the Summit 2 Sea Half Marathon along the Offa's Dyke path. This friendly and inclusive event offers a personable race experience for runners of all abilities looking to get moving outdoors.

Three off-road routes around Llangollen on 12 April 2026, including a new short course and climbs over Dinas Bran Castle. Proceeds support local mountain rescue and Llangollen Foodbank.

Experience the Ogwen valley through this skyrunning event in Eryri. Choose between 10km, 25km, and 40km routes featuring technical mountain terrain and alpine peaks starting from the National Outdoor Centre.

Tackle a classic spring fell race in Mow Cop on Sun 12 Apr 2026: 10.5 km with 400 m of climb across stirring hill terrain. Entries on the day for adults 18 and over, with team scoring and friendly club spirit.