Trail Running calendar near Cardiff 2025-2026

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.

Run from Tudor Sudeley Castle through the rolling Cotswold Hills on scenic trails and historic paths. Distances from 7 km to 50k welcome all abilities and the event is dog friendly.

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.

Join the Portcullis Trail 10 km in Langport on Sunday 17 May 2026 for a scenic run across the Levels, droves and countryside around Cocklemoor. Expect mixed trail terrain and a friendly community vibe; no headphones or dogs.

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.

Run across Dorset from just south of Salisbury to the Jurassic Coast on mostly trail with minimal road running and support along the route. Choose from 100 km, 50 km or a 20 mile Purbeck Traverse for a rewarding coastal challenge.

Celebrate Rocky at 50 with a scenic Time Challenge at Dare Valley Country Park, choosing laps to suit any distance from 3 km to an ultra. Finishers get a themed medal and goody bag, plus park views and on course refreshments.

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..

Midnight Mountain Marathon in Brecon Beacons lets runners start in daylight and finish under stars while crossing iconic summits like Pen Y Fan. Pick marathon, half or bergen entries and collect a finisher medal plus a warming mug of tea.

Tackle 32 miles of rugged Dartmoor roads in the Dartmoor Discovery Ultra, a single lap with tough climbs and sweeping moorland views around Princetown. Club run atmosphere with a finisher tee, medal and lively after party.

Take on the Oner Ultra Trail Run, an epic 85 mile coastal ultramarathon along the scenic Dorset Coast Path on 6 June 2026. Runners must complete the route within 24 hours for a true test of endurance.

Run beneath Bath through two restored, lit railway tunnels on routes from a 500 m Colourburst to ultramarathon, with distances to suit fun runners and seasoned athletes. Starts and finishes at Brickfields Park and supports Sustrans.

BigSea Trails WATER brings runners to the Isle of Purbeck, with a beach start and single lap routes past Corfe Castle, Kimmeridge Bay and Old Harry Rocks. Distances from half marathon to 54k ultramarathon offer sweeping coastal views.

Run the Bournemouth Beach Race from Bournemouth Pier on 7 June 2026 with 5K and 10K courses along the sand. Expect coastal views, sandy footing and groynes to clamber over for a scenic seaside challenge.

Offa's Dyke 15 returns to Hay on Wye on Saturday 13 June 2026, offering a scenic 15 mile challenge with individual and relay entries. With roots from 1977 and a popular 2015 relaunch, this classic race is staged by Tempo Events.

Tackle the scenic Cotswold Way from Cirencester with distances from 10 km to 100 km and options for walkers, joggers and competitive trail runners. Enjoy a buzzing basecamp with camping, full support and memorable finishers goodies.

Run the dramatic Cheddar Gorge terrain on 14 June 2026 with distances from 1 km to full marathon and a multi event Omnium for a challenge and festival vibe. Aid stations, food vans and medals for 6 km and up keep you fuelled and rewarded.

Run a scenic 10 km trail through the historic Lulworth Estate, across chalk downland and through woodland with views of the Jurassic Coast. Expect about 175 m of ascent, off road paths, water stations and a cosy cafe with homemade cakes at..

Tackle the dramatic Jurassic Coast World Heritage cliffs on self navigated courses from 33 km to a 105 mile epic, with live GPS tracking to keep you on course. Pick a coastal challenge with ITRA UTMB index points and well stocked aid statio..