Trail Running calendar near Hafren Forest 2025-2026

The Forest of Dean Ultra Marathon will take place in Coleford on Saturday 18 October 2025. You can run 34 miles.

The Brenig Way 50K Trail Race is a challenging ultramarathon that covers 50 kilometers through remote upland scenery in Wales. Starting in Corwen, participants follow a marked footpath along country lanes, forest tracks, and riverside paths, crossing notable landmarks such as Clocaenog Forest and Ll..

The Halloween 7in7 takes place from 20th to 26th October 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). The event runs over seven consecutive days. Each day allows a single timed attempt on a looped offroad course within the manor grounds; each lap is 2.5 km and particip..

The Witches Whisk is an offroad running event at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf) on 20 October 2025. Entrants choose a target distance and have a time limit of seven hours to complete it. Each lap on the course is 2.5 km. The route runs entirely within the manor gr..

The Scary Scamper takes place on 21 October 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). The event offers timed runs with a maximum allowed time of 7 hours to complete the chosen distance. The course is offroad and contained within the grounds of Pengethley Manor. Each..

The Ghostly Gallop takes place on 23 October 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). Entrants choose a target distance: 5k 10k Half Marathon Marathon Ultra Each lap is 2.5 km, so the 5k option is two laps. The course is offroad and contained within the grounds o..

The Petrified Pootle is a Halloween-series run held at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf) on 24 October 2025. Entrants choose one target distance and must complete it within a 7-hour time limit. The course is offroad and contained within the grounds of Pengethley Mano..

The Giddy Horse Backyard 2025 is a running event held at Chepstow Racecourse, UK, featuring races around Piercefield Park. The course is a 4.167-mile loop combining woodland, parkland, and tarmac trails, mostly flat with gentle elevation changes. The event offers solo races of 8-hour (33 miles) and..

Round 1 of the Petzl Night Runner Night Trail Race Series takes place at Delamere Forest, with the start and finish from the main visitors centre in Northwich, Cheshire. The evening atmosphere is themed around a Spooky Halloween, with fancy dress actively encouraged. The course is fully marked with..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races take place on Saturday 25th October 2025 at Chepstow Racecourse, Saint Lawrence Road, Chepstow, UK, NP16 6BE. Tickets for the event are currently sold out. Ticket sales close 20th October 2025. The organiser is Relish Th..

The Spooky Sprint is part of a Halloween race series held at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). Participants choose one target distance from the options below and must complete that distance within a 7-hour time limit. The course is offroad, contained within the mano..

The Worcester Ring Run takes place on 25 October 2025 at Droitwich Rugby Club, Glyn Mitchell Memorial Ground, Droitwich, United Kingdom. The event is a 23 mile loop around Worcester and Droitwich. Entry is limited to 100 runners and the event is open to people over 17 only. Competitors must finish..

The Zombie Shuffle is an event in the Halloween race series held on 26 October 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). Entrants choose a target distance and have a maximum of seven hours to complete it. The event accepts walkers and runners. Entrants must be aged..

Black Beacon Mountain Races are long-distance mountain trail events crossing the Black Mountains and Bannau Brycheiniog (Brecon Beacons) National Parks in South Wales, south to north. Four distances: 100 miles (+7500m), 50 miles (+3750m), 50 km Ultra Bach (+2200m), and 21 miles (+1200m). The 100-mil..

Spooky Run is a Halloween-themed guided social run on 31 October 2025 in Oswestry, United Kingdom. The event is organised by Adrenaline Sporting Events and has an entry fee of £10. The advertised distance is 6 km and participants are invited to wear Halloween fancy dress. The event description note..

The OTT Ultra Marathon is a 30 miles trail race in the Brecon Beacons, scheduled for Saturday 1 November 2025. The event is based in Merthyr Tydfil. Entry is limited to 200 runners and the race will be chip timed. The minimum age to enter is 18. Entry fees are listed at £60 for affiliated/UKA membe..

How Hard Can It Be Events presents The November Nightmare, a multi-day endurance challenge in Telford, Shropshire. The eight-day event runs Sunday to Sunday (2–9 November) with daily options of 8 miles, a half marathon (about 16 miles) or a full marathon, and participants can enter individual days o..

Twmbarlwm Terror is a 7-mile multi-terrain race organised by Fairwater Runners Cwmbran in Risca, near Newport, South Wales. The route combines footpaths, open fields, country lanes and woodland from Risca Leisure Centre to the Twmbarlwm peak and back, with around 1,000 feet of total ascent. Now in i..

Delamere Forest hosts trail races on undulating woodland terrain at Delamere Forest Visitor Centre, Northwich CW8 2HZ. The event offers two distances: 21k 42k The 42k follows two laps of the 21k route. Sections of the courses pass through forest areas, around Blakemere Moss, along the Sandstone T..

Endurancelife Gower is a coastal trail-running event on the Gower Peninsula, centered on Oxwich Bay in Wales. It offers four distances: 10K (6.8 miles), Half Marathon (14.3 miles), Marathon (27.4 miles), and Ultra (34.2 miles). The route traverses strenuous terrain—cliff tops, downs, woodlands, sand..