Trail Running calendar near Nantgarw 2025-2026

We have found 277 Trailruns within 80 miles of Nantgarw. See below where and when you can find the races.

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.

June 2026

Tsunami Ocean Trails invites you to tackle dramatic coastal trails from North Devon into Cornwall, finishing on the lawns of Castle Bude. Choose ultra, marathon or 16 mile routes across wild cliffs and big climbs for stunning sea views and..

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.

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.

Explore the Cotswold Way Ultra Challenge from a Cirencester basecamp, with looped trails over rolling hills and charming villages. Distances suit everyone from a 10 km fun run to a 100 km ultra, with camping and hostel options on site.

UTMB Index

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..

Run the iconic Jurassic Coast along the South West Coast Path with options from 33 km to 105 mile, self navigation and live GPS tracking. Finishes on Exmouth Seafront with well stocked aid stations and special finishers' awards.

Explore Exmoor with a weekend of running and walking at the Pinkery Centre in June 2026, from family strolls to 30 mile challenges. Enjoy social evenings, guest speakers and films while taking in stunning National Park trails.

Run the Malvern Midsummer Marathon on 20 June 2026 with 15 or 27 mile scenic routes across the Malvern Hills. Both courses share village and ridge trails with checkpoints, snacks and a hot meal to welcome you at the finish.

Enjoy a flat, traffic free riverside run along the River Exe with Exeter City Community Trust on the evening of 26 June 2026. Choose 10K, 5 or 10 miles and use this scenic, fast course to tune up for an autumn marathon.

Run around rugged Lundy Island on 28 June 2026: a 13.5 mile off road course along coastal trails and clifftops, with a Raceboat option to travel there. Finishers earn a Lundy Puffin medal and a memorable island day out.

Run the traffic free Tarka Trail on Sunday 28 June 2026 and soak up estuary and woodland views along a flat tarmac route with vintage railway features. Distances from 1 km family Colourburst to a 50 km ultra mean there is something for ever..

July 2026

Run the PIGUM 30 mile ultra around Abergavenny, summiting Sugar Loaf and tackling over 5,400 ft of ascent on scenic trails. With three fully manned checkpoints, generous support and no time limit, it is a bold, well looked after challenge.