Trail Running calendar near Somerset 2026-2027

Trail races on the private Merthyr Mawr Estate within Merthyr Mawr Warren National Nature Reserve, featuring a 12K course and a new 40K route that extends along the Glamorgan Heritage Coast.

Three coastal ultramarathons on 18 and 19 July 2026 follow Wales Coast Path into Cardiff Bay, offering 100, 50 and 30 mile options across beaches, dunes, cliffs and forest with checkpoint support and GPS tracking.

Experience an off road adventure through the deep mud and water crossings of the Huntley Estate. Participants can choose between various distances and will receive a themed medal upon finishing this muddy trail run.

A 12 hour night trail event at Bridgend Miniature Railway where runners complete as many 10 mile loops as they can across two to three route options, with marked routes, Base Camp support and a 30 runner limit.

A 5k obstacle course at Westpoint, Exeter where participants climb, crawl and slide across mixed surfaces. Participants must be 13 or older and there is a minimum fundraising target; finishing earns a Race for Life medal.

A one lap trail run at Myncen Farm near Blandford Forum on 19 July 2026 with optional weekend camping. The course crosses fields, tracks and wild flowers, has a 64 runner limit, and a stated entry fee of £10.

A one lap trail fun run on private farmland near Blandford Forum, held alongside the Bell Plod with a separate medal. Limited to 100 entrants, minimum age four, with a weekend camping option.

A two lap, undulating trail event on privately owned farmland near Blandford Forum. The Apple Plod 10K.ish welcomes runners and walkers, has limited entry, and offers optional camping over the weekend.

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.

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.

A new 100-mile team relay in South Devon, split into 16 legs for teams of 10–16 runners, with GPX routes provided, limited entries, and all profits donated to two local charities.

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 5 km Pretty Muddy obstacle course at Central Park, Plymouth featuring mixed surfaces, climb-crawl-slide challenges and staggered wave starts. Participants must be 13 or older; a minimum fundraising target and an event medal are included.

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.

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 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.