Trail Running calendar near Thornbury 2026-2027

Wye Valley Tunnel Run on 19 July 2026 features fun runs plus 10 km, half marathon and marathon routes that use the Wye Valley Greenway and long tunnel. Courses are well marked with feed stations and event medals.

Two trail races in Aymestrey, Herefordshire, both climbing to the Iron Age hillfort at Croft Ambrey. Routes are fully marked with water stations and a separate juniors 2 km race with medals.

A traditional off-road fell race on 19 July 2026 at Selworthy Beacon, about 4 miles with 1000 ft ascent and self-navigation required; entry is £12 for FRA members and £14 for non-members.

Tour of the Woods on 19 July at Knightwood Leisure Centre is a 10 km mixed terrain run split into five stages, with chip timing, prizes and a kids Twiglet Tour. Portions of proceeds support the Woodland Trust.

A 100 km, 3,178 m ascent ultramarathon on 25 July 2026 following the Beacons Way across the Brecon Beacons. Entry is by application with strict qualifying criteria, mandatory map and compass navigation, six manned checkpoints and compulsory..

A 100 mile self-navigation ultramarathon across the Brecon Beacons on 25 July 2026 with 6143 m ascent, ten checkpoints and live GPS tracking. Entrants must be 20+, have prior 50 mile race experience and competent map and compass skills.

A multi-distance running event along the River Severn on a disused railway between Ironbridge and Bridgnorth, offering distances from 9 miles to 37 miles with regular aid stations and riverside views.

Multi-distance trail running in the Brecon Beacons near Abergavenny on 25 to 26 July 2026, with routes from 12 km to 110 km and UTMB Index race status for key categories.

A Britney themed 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km up to ultra and 50 km. Aid tables, medals and goody bags are provided, with free parking, toilets and a cafe on site.

A basecamp event at Dunster on 25 July 2026 offering a 50 km loop with about 1600 m of climb plus 25 km and 10 km options, all supported with marquee rest stops, GPS tracking, catering, medical cover and camping.

A family friendly inflatable obstacle fun run in Coventry on 25 July 2026, with giant inflatables, five music zones and choices of 2.5k, 5k, 10k or 15k laps. Participants receive a finisher medal and on-site food and facilities are provided..

MacTuffX Birmingham on 25 July 2026 at Edgbaston combines ten functional Xercises with repeated runs in Classic (10x400m) or 2X (10x800m) formats. Solo, doubles and relay entries are available; entrants must be 18 or older.

A timed, lap format run along The Itchen Way in Winchester with a professionally measured, permitted course. Runners may complete multiple 2.62 mile laps up to ultra distance and receive a bespoke finisher's medal and aid station provisions..

A 9.3 km fell race near Cwm, Ebbw Vale with 549 m of climb on moorland and a partly waymarked anticlockwise loop. Basic navigation and mountain skills are useful; the event is part of the South Wales Series.

Two trail races across Pen Y Fan on 26 July 2026, offering 5 or 13 mile routes with chip timing, a medal and compulsory safety kit. Registration runs from 27 July 2025 to 20 July 2026.

A circular half marathon trail run on the Ridgeway that visits Ashdown House and the original White Horse Hill. The route is described as undulating and the event is held under UK Athletics rules with a Trail Running Association permit.

Flat trail races at Summerleaze Park on 26 July 2026, offering 5K, 10K and a Half Marathon with marked routes, marshals, chip timing and post-race goodies.

Timed laps on a 2.62 mile out and back canal route with flexible distance options from 5 km up to ultra and a seven hour time limit. Both in person and virtual entries receive a physical medal.

A short, steep fell race near Middletown on 29 July 2026 covering 2.8 km with 440 m ascent. Pre entry costs £7 on SI Entries or £10 on the night and junior races are included.

A *50 miles* loop around the Epynt Way on August 1st 2026, starting and finishing at Noyadd Farm Camping near Builth Wells. Mostly trail terrain with 8,559 ft of elevation, four staffed checkpoints and no formal time limit.