Trail Running calendar near Niwbwrch 2026-2027

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 fully guided, supported one day run along the 68 km Hiraethog Trail from Pentrefoelas to Bodfari, crossing Mynydd Hiraethog and Clocaenog Forest with checkpoint support, guides and a wooden medal on completion.

A single-distance 50 km ultramarathon in Pwllheli on 11 April 2026, with a published entry fee of £74 plus booking fee. The event enforces a no crew, no pacers policy and requires mandatory kit and medical disclosure.

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.

The MTC Gelert is a 47-mile ultramarathon along Wales's scenic National Cycle Route 8, from Barmouth to Llanidloes. It is also the third day of the CYMRUN multi-day challenge. The event has a strict 4 mph pace requirement and provides a bes..

Experience a 102 mile ultramarathon through Cheshire and the Sandstone Trail. This 32 hour challenge features 12 supported checkpoints and rewarding trail terrain for experienced long distance runners.

On 18 April 2026 Nightingale House Hospice stages 5 km and 10 km multi terrain runs at Alyn Waters Country Park with chip timing, marshals, water stations and finishers medals. A 1 km children's dash accepts on day entries.

An 8.6 mile multi terrain loop around Trawsfynydd lake in Snowdonia, run under Welsh Athletics rules. Proceeds support the volunteer South Snowdonia Search and Rescue team; chip timing, marshals and water stations provided.

Join a friendly guided trail run through Penllyn Forest on 19 April 2026, taking in rural views between Bala and Lake Vyrnwy. About 14 km on quiet forest tracks with a relaxed group pace and regular stops to enjoy the scenery.

Run a scenic 10K trail through the Ainsdale National Nature Reserve. The wooded course includes a climb up the highest dune peak before the finish. All finishers get a medal, and proceeds support local charities.

Test your navigation skills in this 42.70 km open mountain race through the high lakes of Wicklow. This unmarked course features significant elevation and requires advanced mandatory safety kit for all solo participants.

Join an 8 km trail run at the scenic Wirral Country Park. Part of a monthly summer series, this event offers trophy categories for various age groups and supports Running Headfirst.

Experience a varied mountain run over the summits of Bray Head in County Wicklow. Featuring both 7.3 km and 3.5 km marked routes, this event offers a scenic climb past historic ruins and coastal landmarks.

Coastal ultraruns between Prestatyn and Bangor offering 50 km and 100 km options, varied terrain and notable landmarks. The event includes multiple feed stations, tracking and chip timing, plus a drop bag service for 100 km runners.

Experience an endurance trail challenge in the scenic Avondale Forest Park. Choose between 50 km and 100 km solo distances or join a 100 km team relay on a supported 3.2 km forest loop.

Explore the scenic woodland paths and panoramic views of Cheshire in these chip timed trail races. Choose between 21k and 42k distances starting from the Delamere Forest Visitor Centre.

Guided mountain run across the 15 Welsh 3,000 ft peaks in Snowdonia covering about 30 miles and 4,000 m of ascent. Transport, support vehicle, qualified guides and food stations are included and bookings run from 4 July 2025 to 24 April 202..

Experience 30 miles of Welsh beauty on a circular route from Llanidloes. This inclusive trail event features 4,356 feet of elevation gain with no time limits and fully stocked checkpoints.