Trail Running calendar near Caerphilly 2025-2026

Tackle the Epona 100, a 100 mile ultra with 17,000 ft of climbing across Offa’s Dyke and the Beacons Way. Starting and finishing in Abergavenny, the mostly trail route offers eight aid stations and a 50 hour cutoff.

Tackle a scenic 40 mile Ridgeway walk or run from Avebury to Streatley, crossing the rolling chalk downlands of Wiltshire, Oxfordshire and Berkshire. Limited to 250 entrants, this classic May event blends challenge with stunning countryside..

Explore the wild Preseli hills in West Wales up to Foel Cwmcerwyn on trail, fell and boggy terrain. Choose the shorter Beast Bach or the full Preseli Beast for a scenic, tough off road challenge with post race food and evening social.

The Apocalypse Ultramarathon on 9 May 2026 in Church Stretton offers four distinct loops totaling 50 miles and over 10,000 ft of climb. Run one to four loops in any order within a 16 hour limit while enjoying a rolling buffet at HQ.

Run through the Dorset landscape that inspired Thomas Hardy with a challenging trail half marathon or a 5 mile option. Start and finish at Dorchester Rugby Club with on route entertainment and an event village raising funds for local causes..

Join the Dilton Dash on 10 May 2026 at Dilton Marsh for scenic multi terrain 10K, 3K and 1/2K fun runs supporting village causes. Expect stiles and gates, medals for all finishers and prizes for winners.

Join the Scorpion Run on 10 May 2026 at Symonds Yat Rock for a scenic 10k trail through the Forest of Dean and Wye Valley with riverside views. Expect gravel tracks and a tough final 1 km climb to the cafe finish with coffee and hot food.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.

Run the OTT Marathon or 10 Mile through the Brecon Beacons from Parkwood Dolygaer on 16 May 2026. Tackle Pen Y Fan and Talybont Reservoir on a looped course with aid stations and finisher goodies including a coaster and buff.

Face the True Grit Trail Marathon on 16 May 2026 in Bridgend, a 26.2 mile adventure across mixed terrain, quarries and the notorious Mount Mayhem. Limited to 50 places, with a marked route, five aid stations and a bespoke finisher medal.

Run scenic, fully off road trails around Roadford Lake with options from 1K kids up to a half marathon, plus canicross and family distances. Enjoy a festival weekend of open water swims and triathlon events, medals, snacks and a friendly vi..

Enjoy scenic trails around Ironbridge Gorge at The Shindig in the Shire, with challenging climbs and great views through Ironbridge and Jackfield. Choose 8, 16 or marathon distances then celebrate with pub food and finisher bling.

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Take on the Maverick Cotswolds Trail at Sudeley Castle and enjoy rolling trails, charming villages and historic views. Routes from 7 km to 50k, fully marked and timed with outposts and a finisher medal to celebrate your run.

Marilyn's Meldon Madness on 16 May 2026 invites runners to a spirited fell challenge at Meldon Reservoir near Okehampton, with a testing 415 m climb and sweeping moorland views. Pre entry is required and places are limited.

Take on the Beer Blazer on 17 May 2026, a multi terrain run along the Jurassic Coast with cliff top views and pebble beach sections. Enjoy race day refreshments and a BBQ while supporting Beer Primary School.

Run the Taunton Trail 10K or Half Marathon on 24 May 2026 at Taunton Rugby Football Club for an ultra flat, fast route along scenic waterways. Friendly marshals, well stocked feed stations and finisher medals make for a rewarding day.

Take on the Rocky at 50 Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from a 3 km minimum up to 50 km. Finishers earn themed medals and enjoy tasty aid station treats.

TSUNAMI Ocean Trails offers rugged clifftop running along the North Devon and Cornwall coast with dramatic sea views and hefty climbs. Choose from a 37.5 mile ultra, a marathon or a 16 mile route and earn a bespoke finisher medal.

Take on the VOGUM 40 mile ultra along the Wales Coast Path on 6 June 2026, enjoying beaches, cliffs and coastal castle views from Porthcawl to Penarth. Fully staffed checkpoints and no time limit make this a stunning and supported adventure..