Trail Running calendar near Cardiff 2026-2027

An annual grassroots fell race in the Black Mountains covering 27.4 km and 1586 m of climb with five checkpoints and mandatory full kit; the event is non-commercial and surplus funds support local Mountain Rescue.

An eight mile community run from Barnstaple Pannier Market to Crow Point with a one mile children's race, an event village and a fundraising campaign marking 20 years of Families in Grief.

A 10 km forest run on 13 September 2026 around Moreton Forest, featuring mixed tracks, undulating terrain, stiles and a stream, with the final kilometre on a quiet country road. The event is licensed and all finishers receive a medal.

A 10 km fell race at Seatown and Chideock Hill on 13 September 2026 with about 570 m of climb. Entry is available beforehand or on the day for a £20 fee and the minimum age is 18.

A 12 km canitrail and trail run in aid of PAPYRUS at Halo Ogmore Valley Life Centre in Ogmore Vale on 13 September 2026, held in person with a stated ticket price and a no refunds policy.

A Backyard Ultra near Crickhowell on a 4.2 mile loop of trail and tarmac, run in hourly yards with a reversed final lap to decide the winner. Medals for 32 miles and trophies for top male and female finishers.

A single-stage trail race of about 47 miles along the Cotswold Way from Chipping Campden to Painswick, featuring steep climbs, varied surfaces, on-course support, live tracking and a finishers medal.

Test your endurance at Wyre Forest in a unique hourly loop challenge where you choose your distance. Complete the 6.7 km forest circuit every hour to stay in the race until only the Lone Wolf remains.

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.

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 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.

An approximately 8ish mile multi-terrain race around Maer Down and Crooklets, featuring coastal paths, hills and mud. Pirate fancy dress is encouraged and a portion of funds supports the Bude Surf Life Saving Club.

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

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.