Trail Running calendar near Merthyr Tydfil 2025-2026

Event 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..

Black Beacon runs around Hay on Wye from 31 Oct to 2 Nov 2025, taking runners across the Brecon Beacons and Black Mountains. Choose from epic 100 mile to scenic 21 mile courses with checkpoint support and mountain terrain.

The Haldon Halloween Twilight Run takes place in Haldon Forest near Exeter, Great Britain, offering a festive running experience on November 1, 2025. Participants can choose from three distances: a 2.5 km fun run, 5 km, and 10 km races, inc..

OTT Ultra 2025 is a rugged 30 mile trail ultra in Merthyr Tydfil, taking runners over Pen y Fan and along the Taff Trail. Expect big climbs, reservoir views and timed checkpoints on a challenging scenic course with limited entry.

Join the November Nightmare, an eight day running event in Telford with a scenic section through historic Ironbridge. Run any single day or all eight, choose 8, 16 or a full marathon and collect a medal each day.

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoy..

Twmbarlwm Terror is a rugged 7 mile multi terrain race from Risca to the Twmbarlwm peak and back, featuring about 1000 ft of climbing and challenging underfoot conditions. Take on the summit and enjoy complimentary tea, coffee and cake afte..

Run the rugged foothills of the Brecon Beacons on 8 November 2025 with the Beacons Ultra, Marathon and Half in Talybont on Usk. Choose from 49 mile ultra, 26 mile marathon or 13 mile half on scenic trail, mountain and canal terrain.

Run the stunning Gower coastline at Oxwich Bay on 8 Nov 2025 with routes across cliff tops, dunes, woodland and beaches. Options from 10K to Ultra suit every level while full marking and electronic timing keep the focus on the views and the..

Explore the coast and commons at East Devon 8 Trigs, a self navigated trail from Budleigh Salterton with Half, Marathon and Ultramarathon options. Solo runners, pairs and walkers will visit trigs, stamp cards and enjoy coastal views.

Tackle the Salt Settlers Six Hour Race in the scenic Lower Otter valley, solo or in pairs on a mostly flat loop. Aid stations, a club cafe and hot showers keep you going, and every participant receives a special memento.

MoRunning returns to Ashton Court Park in Bristol on 9 November 2025 with 1.5k, 5k and 10k trail friendly routes that mix paths, mud and a testing hill. Support Movember for men's health, grab a finisher medal, wear fancy dress and join the..

Explore Shaw Forest Park, West Swindon on Sunday 9 November 2025 for an orienteering event with courses for beginners to experienced navigators across mixed forest and open terrain. Online entry only, limited maps available so book early.

Join this atmospheric night off road 10 km at Wyre Forest Visitor Centre on 12 November 2025, run as two torchlit laps over trails and tracks. Canicross friendly and with limited entries, it promises muddy fun and a finishers medal.

Run forest trails at Margam Country Park on 15 November 2025, choosing from 21 km, 10 km or 5 km routes. Fully marked courses with checkpoints and GPS files; entries include parking, timing, a medal and free photos.

Test your limits at Trails and Tarmac 12 hour Backyard Ultra in Crickhowell, featuring a scenic 4.2 mile loop of trail and tarmac completed each hour. Stay for the final sprint to claim the trophy or earn medals for every loop and 32 miles.

Enjoy night and day races across Bath Skyline's stone paths, woodland trails and open meadows, with 5km, 10km and a kids 500m plus a dedicated daytime canicross wave. Glow stick marked night courses make for a magical running experience.

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an..

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accomm..

Challenging 8.1 km fell race from Little Stretton with 762 m of ascent, four steep valley climbs and a fast descent finish. WFRA kit is mandatory and previous fell running or mountain experience is recommended as marshals and signage are li..