Trail Running calendar near Builth Wells 2026-2027

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.

Take on the Stretton Skyline, a scenic yet demanding 30.5 km fell race around Church Stretton with 1357 m of climb and panoramic Shropshire Hills views. Pre entry only, finishers enjoy a tasty goody bag.

Experience a guided 50 km mountain run across the 15 peaks of Snowdonia. This non competitive event features professional mountain leaders, transport, and premium food stations as you traverse the classic 3000 foot giants of Wales.

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.

Explore the scenic Shropshire Hills with 12, 18, or 26 mile routes starting from Wistanstow. This historical challenge walk offers full support and a hot meal at the finish for both walkers and runners.

Celebrate 20 years of hope with an 8 mile run or walk from Barnstaple Pannier Market to the shore. Enjoy a scenic route along the Tarka Trail and a festive event village near the finish.

Test your endurance on a scenic 4.2 mile loop through the Black Mountains. Complete eleven hourly yards before a final reversed lap determines the winners of this unique 12 hour backyard ultra.

Brutal Extreme Triathlons in Llanberis, North Wales challenge athletes with a lake swim, tough open road bike laps and a final climb of Snowdon via the Llanberis Path. Enter solo or as a relay team and test your limits on wild terrain.

Race 47 miles along the Cotswold Way from Chipping Campden to Painswick, traversing the rolling hills of the Cotswolds Area of Outstanding Natural Beauty. This licensed continuous trail challenge runs under UK Athletics and TRA rules.

Test your endurance at Wyre Forest in a unique hourly loop challenge where you choose your distance. Complete the 6.7 km forest circuit every hour to stay in the race until only the Lone Wolf remains.

Run a scenic road course through North Wales coastal villages before an exhilarating beach finish. This Welsh Athletics affiliated event offers a half marathon and 10K trail with a vibrant seaside atmosphere.

Test your endurance on a 102 mile non stop trail race along the scenic Cotswold Way National Trail from Chipping Campden to Bath. This hilly point to point journey features constant elevation changes and beautiful village views.

Run a scenic 10km through Cannock Chase Forest's woodland and heath with live chip timing and a finisher medal. Canicross friendly and offering a post race snack and drink, this event blends great trails with a welcoming vibe.

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 the Gower Peninsula with three distances following the Wales Coast Path. Run past stunning bays and limestone cliffs in this well supported trail event featuring distances of 23, 34, and 50 miles.

Explore the scenic woodland paths and castle views of Margam Country Park in this multi distance trail event. Enjoy a fully marshalled course with chip timing and a finisher medal for all participants.

Experience the beauty of the Forest of Dean on this scenic woodland trail half marathon. Run entirely on forest paths with no road crossings, this late September race features a chip timed course and finisher medals for all.

An uphill only 10 km race from Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 m with varied trails and a steep final gulley. A return bus to Ruthin can be bought at the event; entry fees range from £0 to £21.50.