Trail Running calendar near Filton 2026-2027

A single stage, approximately 102 mile trail race along the Cotswold Way from Chipping Campden to Bath, with a 32 hour completion time and route markers, support stations and medical cover on the course.

A river-centred event on 19 September 2026 combining a 43 mile ultra and a multi-leg team relay along the Exe Valley Way, highlighting the Atlantic salmon with community music, symbolic baton relays and partnerships with river conservation..

Fan Brycheiniog is a 15.5 km mountain race in Glyntawe with 840 m of climb. The course runs over rough tracks and open fell and requires navigation and competent mountain skills.

The Run Wytham Woods will take place in Eynsham on Saturday 19 September 2026. You can run between 5 and 10 kilometers.

A trail running event at Hyde Common in the New Forest on 20 September 2026 offering 18 miles, marathon and 50km ultramarathon routes with marked courses, multiple aid stations, a bespoke finisher medal and a tree-planting option.

A looped technical trail in the New Forest with a Grade I listed manor house backdrop. Runners choose distance on the day from 5K up to ultra marathon and receive a medal after one loop.

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

A coastal trail event near Swanage on 20 September 2026 offering a full marathon and a 16 mile race. The licensed event requires specific safety kit and supports local charities while showcasing the Jurassic Coast and Purbeck Hills.

A traditional trail race on Exmoor around Doone Valley offering a 16 km / 10 mile course with multiple hills and livestock. Organised by Ilfracombe Running Club, entries open 1 May 2026 with a 250 runner limit.

A single loop 10K trail run at Woodbury Common on natural trails with climbs and stream crossings. All finishers receive medals and top male and female finishers receive prizes including a donated sports massage.

MacTuffX Exeter on 20 September 2026 offers solo, doubles and relay formats built from ten 400 m or ten 800 m repeats. Entries are for adults only and fees vary by category and team size.

The Black Hill Run will take place in Bere Regis on Sunday 20 September 2026. You can run between 5 and 10 kilometers.

Looped trail event in the Chilterns based at Henley on 26 September 2026. Offers 50 km, 25 km and 10 km distances with covered rest stops, GPS tracking, medical support and camping at basecamp.

Three coastal trail races on 26 September 2026 around the Gower Peninsula offer routes of 50, 34 and 23 miles along cliffs, bays and coastal paths. The event is self navigated with checkpoints, GPS tracking and coach transfers to starts.

A trail event on 26 September 2026 at Bagwell Farm Touring Park offering 10k, half and full marathons plus a marathon relay and canicross. Routes run mostly off road along The Fleet Lagoon and the event raises funds for local charities.

A 10-mile trail race at Chilton Manor Farm featuring private trails, 240 m of elevation and a 1-mile Yew tree-lined finish. The route includes water stations, medics and a bespoke finisher medal.

A forest marathon and a shorter route from Memorial Hall in Henley in Arden, Warwickshire, running through early autumn woodland with staffed checkpoints and a hot finish meal. Surplus funds support the Heart of England Forest.

MacTuffX Swansea on 26 September 2026 features solo, doubles and team relay formats over ten 400 m or ten 800 m legs, with entry restricted to participants aged 18 and over and fees varying by category.

The The Berkeley Marathons will take place in Berkeley from Saturday 26 September 2026 to Sunday 27 September 2026. You can run 130 miles.

RTT Margam Trail at Margam Country Park offers 5 km and 10 km trail routes on woodland paths with views of Margam Castle. The event includes chip timing, water stations, marshalled routes and parking included with entry.