Trail Running calendar near Bristol 2025-2026

Run 145 miles non stop along the Grand Union Canal from Birmingham to Little Venice on a fully waymarked towpath. Limited to 100 starters with supported or unsupported entries and a 45 hour cutoff, it is a classic long distance challenge.

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.

Race Across Dorset on 24 May 2026 takes you on scenic off road trails from south of Salisbury to the Jurassic Coast, with organised support along the way. Choose from 20 mile, 50 km or 100 km distances for a true trail challenge.

Join the Rebellion 10km on Monday 25 May at Riverwoods, Marlow, for a scenic trail along the Thames including a crossing of Marlow Bridge. Finishers receive a medal, a Rebellion beer or non alcoholic alternative and a branded pint cup.

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.

Join the Southampton Running Festival on 31 May 2026 for scenic 5K, 10K, half marathon and junior races around Southampton Common. Lap courses wind through woodland, ponds and parkland with an event village at the finish.

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.

Join Blended Trails Backyard Ultra at Chilton Manor Farm for a test of endurance: run a one hour loop each hour until only one runner completes a lap. Enjoy private trails, camping, great fuel stations and a winner takes all prize.

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 on the Two Tunnels route, including the UK's longest underground stretch through historic rail tunnels. Distances from 500 m to ultra mean every runner can take part while supporting 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.

Explore Alice Holt Forest with off road 10km and half marathon trail runs on 7 June 2026, with canicross welcome and chip timing. All finishers get a medal, Wild Deer merch and snacks, with subsidised parking and support on course.

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.

Take on the South Downs Way 100®: a stunning 100 mile nonstop trail test from Matterley Bowl to Eastbourne across chalk ridges and big climbs. Expect remote views, lively aid stations and a classic long distance challenge for runners.

Take on the South Downs Way 50km on 13 June 2026, a scenic trail challenge through the South Downs National Park organized by Centurion Running. Tackle 50 km of rolling ridges with 1200 m climb, aid stations and a lively finish.

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.

Explore coastal and inland trails along the Jurassic Coast with distances from a fun 7 km up to a 23 km half marathon. Registration at the venue, full course marking, outpost snacks and a metal finisher medal make this a scenic, dog friendl..

Run the iconic Cheddar Gorge from 1 km to marathon, or try the Omnium combining sprint, climb and middle distance challenges. Wave starts, waymarked scenic but rocky courses, food stations and medals for 6 km and above.