Trail Running calendar near Hafren Forest 2026-2027

Take on the Ras yr Aran fell race in North Wales on Saturday 21 March 2026 from Llanuwchllyn near Bala. The senior course is 16.1 km with about 945 m of ascent for a scenic but demanding mountain challenge and a junior race is offered.

A waymarked, officially measured half marathon through Forest of Dean trails starting and finishing at Speech House. Organised by the Rotary Club of the Royal Forest of Dean, the event features chip and gun timing, championship status and p..

Take on the Red Warrior multi terrain races at Margam Country Park on 22 March 2026, with 5K, 10K and 20K routes for solo runners and canicross teams. Expect varied trails, friendly vibes and a great day out for competitors and their dogs a..

Join the Moel Famau Easter 'Piece of String' Race at Bwlch Penbarras on 28 March 2026 for a playful hilly route where the final kilometre is a surprise. Canicross starts ahead of the main pack and every finisher gets a medal and chocolate.

Guided recce of the Glyders from Capel Curig, 15 km with 1,830 m of ascent, led in small groups by Mountain Leader qualified guides. Ideal for fell runners wanting a taste of the Paddy Buckley Round on 28 March 2026.

A 32 mile urban loop from Baggeridge Country Park on 29 March 2026, offered as solo, pair or team of 4 relay. The mostly traffic-free route includes long tunnels, canal towpaths, three aid checkpoints and a GPX route file.

Join a guided recce of the Paddy Buckley leg through the Carneddau from Ogwen Valley to Capel Curig. Cover 16 km and 1,245 m of ascent in small groups with experienced mountain leaders.

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.

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.

The Aberdyfi Half Marathon will take place in Aberdyfi on Saturday 4 April 2026.

Run the inaugural BOWUM, a 30 mile circular trail from Monmouth that links Skenfrith, Grosmont and White Castle through Monmouthshire countryside. Mostly trails, staffed checkpoints and crew support make this a scenic, supported adventure.

A fully guided and supported 42.4 mile trail run from Pentrefoelas to Bodfari with 5,325 ft of ascent, six staffed sections with checkpoints, food and first aid, and a wooden medal and certificate on completion.

Beach races at Pendine Sands on 5 April 2026 offer 5k, 10k, half, marathon and ultra distances on a firm out and back course. All finishers receive a bespoke medal and trophies are awarded to category winners.

Run the Chasewater Easter Egg Challenge at Chasewater Country Park on 5 April 2026, a scenic multi terrain loop around the reservoir with distances from junior run to 20k. Expect a friendly vibe, bespoke medals, free photos and on site park..

Take on the Vale Coastal Races along the Vale of Glamorgan coast with 10, 18.5 and 32.5 mile routes that hug the sea and finish in Ogmore by Sea. Expect stunning seaside views, a self navigated route and the infamous Hill of Doom.

Enjoy stunning coastal, woodland and dune trails at Oxwich Bay with 5 km, 10 km or a self navigated half marathon. Part of the Run The Trails Series, the event is timed and all finishers receive a medal.

SheUltra is a 50 km ultrarun on Saturday 11 April 2026 in Pwllheli, UK, with a strict no-crew and no-pacers policy. The event has specific age, medical, kit, and refund rules, and recommends third-party insurance.

Summit 2 Sea Offa's Dyke Half Marathon sends runners from the summit of Moel y Parc along the Offa's Dyke Trail to a sea level finish on Prestatyn beach at the Nova Centre. Expect testing climbs, dramatic descent and sweeping coastal views.

Long course: Challenge yourself on the 28 km Llangollen fell race across the rolling hills of North Wales, featuring demanding climbs and stunning views. Based at Llangollen Leisure Centre, entries open in advance and on the day. Short cou..

Ogwen | Yr Helgi Du is a mountain Skyrunning event in Eryri offering 40K, 25k and 15K routes through the Carneddau with marked trails, Mountain Leader support and an event village at Plas y Brenin.