Trail Running calendar near Thornbury 2025-2026

We have found 358 Trailruns within 80 miles of Thornbury. See below where and when you can find the races.

Take on the Compton Downland Challenge on 16 May 2026, choosing a scenic 26.8 mile marathon or a 16 mile route around the Berkshire Downs and ancient Ridgeway. Expect varied, sometimes muddy trails, great aid stations and a hand thrown mug..

Run the Merrell Cannock Chase Challenge on 16 May 2026 at Tackeroo Campsite, Rugeley, with 10 km, half marathon and full marathon trail options. Tackle undulating off road singletrack, enjoy camping and event village perks and grab one of o..

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..

Run the Shropshire Historic 50K from Telford Town Park to The Quarry Park in Shrewsbury on 16 May 2026, via Ironbridge, Buildwas Abbey and Wroxeter Roman City. Officially measured with chip timing, nutrition stations and free photos.

Join the Deddington Four Farms Challenge on Sunday 17 May 2026 for 5k and 10k routes around the picturesque parish of Deddington. Open to experienced runners, fun runners and families, it is a friendly event supporting local charities.

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 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.

Run the Beat the Sunset 50 km ultra in Maidenhead, a scenic single lap mostly off road along the Thames Path and Jubilee River. Expect checkpoints, live timing and a finisher medal as you chase the sunset.

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.

Run through Southampton Common on 31 May 2026 amid woodland, lakes and wetlands. Choose half, 10K, 5K or junior distances and enjoy a lively event village with food, freebies and a sustainable focus.

June 2026

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..

Join the Divorce Day Defib Fundraiser on 6 June 2026 for scenic laps from The Unicorn Inn across the Ironbridge and along the Silkin Way. Choose 8 mile, 16 mile or marathon options and embrace the fun of fancy dress with top hats and tiaras..

Run the Brecon Beacons at Midnight Mountain Marathon on June 6, 2026, starting in daylight and finishing under the stars, so some may need a torch. Take part in Marathon, Half Marathon or Bergen pack races and earn a medal and a 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 through two lit railway tunnels beneath Bath on routes from short fun runs to ultra distances. Starts and finishes at family friendly Brickfields Park and each entry supports Sustrans, making it a memorable community day out.