Trail Running calendar near Semington 2025-2026

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..

The Sphinx AC Coombe 8 – 2025 event is held at Coombe Abbey on the outskirts of Coventry, with the race HQ outside the main visitor centre. The main 8-mile race is a tough, multi-terrain course that combines wooded trails and undulating farmland across the historic site, with an optional 8 km (5 mil..

Enigma Fireworks is a running event taking place on November 7th and 8th, 2025, at Caldecotte Lake in Milton Keynes. The event features both a marathon and a half marathon on each day, with participants completing scenic laps around the lake. Runners can expect a supportive environment with race bri..

The The Druid's Challenge will take place in Tring on Friday 7 November 2025. You can run 86 miles.

The Dirt Half Challenge is a trail half-marathon held in Leighton Buzzard, Bedfordshire. The course covers roughly 13.1 miles, starting in the historic town and weaving anticlockwise around Tiddenfoot Waterside Park, along the Grand Union Canal towpath to Stoke Hammond, through countryside to Great..

Freedom Racing presents the Freedom Racing-5 Trails Ultra & 3 Trails, held at Westerlands, Graffham (Petworth, GU28 0QJ) in the South Downs. The event offers two distances: a 50k Ultra that links five long-distance trails (Serpent Trail, New Lipchis Way, West Sussex Literary Trail, Monarchs Way and..

South Downs Trail Run starts from Glorious Goodwood at Goodwood Racecourse in the South Downs National Park, with views across the downs and distant sights of the North Downs, Chichester Harbour and the Isle of Wight. Runners choose from three off-road distances: 21km, 19km and 12km. The course runs..

East Devon 8 Trigs 2025 is a self-navigation trail event based at Budleigh Salterton Cricket Club. Open to runners and walkers, solo entrants or teams of two. Distances: 3 Trigs Half (21km), 6 Trigs Marathon (42km) and 8 Trigs Ultramarathon (53km) – approximate.The course runs from the South West Co..

The Salt Settlers Six Hour Race is organised by Climb South West and takes place on Saturday 8 November 2025. It is a timed six hour event held around the Lower Otter valley near Budleigh Salterton. Entries open 10 January 2025 and close 6 November 2025. Entry fees listed are Solo £63 and Pair £79...

The Dark Dorset 10 is a twilight off-road running event offering a 10 km distance. The start and finish are in the park in front of Eastbury House in Eastbury Park, Tarrant Gunville, Blandford, Dorset (DT11 8JQ). Medals, trophies and refreshments are provided. Canicross is not permitted. Entries ar..

The Beacons Ultra, Marathon and Half is a multi-distance running event held around Talybont-on-Usk, in the Brecon Beacons, Powys, Wales, with Henderson Hall as the base. It offers three distances: a 49‑mile Ultra, a 26‑mile Marathon, and a 13‑mile Half Marathon, all on a mixed trail/mountain/canal/r..

Big Night Out Winchester is a night-time trail running event held at Winchester Athletics Track, Bar End, Winchester, SO23 0QA. The next scheduled race date is 08/11/2025. Distances and entry fees are: 22km - £38 12km - £32 Race bibs are collected from a registration tent at the event site. Regis..

The Remembrance Day Run - South, hosted by Saturn Running, takes place in Surrey at the Wraysbury Skiff and Punting Club along the scenic River Thames in Egham. This 7-hour time challenge allows participants to run multiple laps of a 4.37-mile (7km) course, which features a mix of well-made paths, t..

MoRunning brings Bristol the 1.5k Mini MoRun and the 5k and 10k MoRuns around Ashton Court Park, Long Ashton, Bristol. The course is a mix of path and trail, with hills of 1–3 km, and the 5k is one lap while the 10k is two laps. The route is dog-friendly and OK for off-road buggies, though some sect..

MoRunning returns to Southampton’s The Common, The Avenue (SO15 7NN) for the MoRun day, offering 1.5k Mini MoRun, 5k, 10k and Half Marathon. The course is a mix of park paths, trails and grassy sections, undulating and dog-friendly, with some muddy parts. The 5k is one lap, the 10k two laps, and the..

The SATURN Remembrance Day Run 2025 - South is a commemorative running event held at Wraysbury Skiff & Punting Club, Egham, along the scenic River Thames. Participants can run a flexible distance within a 6 hour and 32-minute timed challenge, with laps of approximately 7km (4.37 miles) or a shorter..

The One by the Canal is a scenic Half Marathon trail race running from Cowley Rec, Cowley, along the Grand Union Canal to finish at Cassiobury Park, Watford. The course uses country paths and woodland trails, delivering nature-filled canal scenery. Key features include chip timing, a finisher medal,..

DirtRun In The Dark – Race 1 takes place at Wyre Forest Visitor Centre (Callow Hill), near Kidderminster, UK. The 10 km course is run as two laps on off-road tracks and trails through the forest, in darkness. Torch light is compulsory and canicross is permitted.The event is limited to 200 runners an..

Centurion Running's Wendover Woods 50 is a 50-mile ultramarathon held in Wendover Woods, Aston Hill, Halton, Aylesbury. The course comprises five 10-mile forest loops on soft trails and tracks through Wendover Wood, offering runnable descents, steep ascents, and technical sections, with a total elev..

Trails & Tarmac 12hr Backyard Ultra takes place in Crickhowell, Powys, near the Black Mountains. The race uses a 4.2-mile loop run 50/50 on trail and tarmac, with one gradual climb and a short steep section to keep the pace fast. The format runs up to 12 hours: the first 11 laps must be completed wi..