Trail Running calendar near Collingbourne Ducis 2026-2027

An underground marathon at UCAP BUNKER near Portsmouth on 21 November 2026. The multi lapped route runs through low tunnels, has a six and a half hour cut off, and requires a headtorch and cycle helmet.

A night-time trail run at Moors Valley Country Park with looped 10 km laps and options of 10 km, 20 km or 30 km; the course is fully marked and a headtorch is mandatory.

Brutal at Spider Hill in Long Valley offers 5 km and 10 km courses across mud, marshes and climbs, passing Alligator Swamp, Swan Lake, Muddy Mile and Duck Pond. Entries close 19th November.

A *10 km* road and riverside run starting and finishing at Kingston Hawker Centre, using chip timing and offering a finisher medal, refreshments and baggage drop. The event supports Kingston Hospital Charity and notes nearby train and local..

A scenic off-road 10 mile trail race in the New Forest hosted by Totton Running Club, with medals, water stations and age-category trophies. Entries close 19/11/2026 and the field is limited to 301 runners.

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey, with sunset and night options. Group paced running, headtorch support for night runs, kit provision and an optional alcohol free beer at the finish.

Trail races from 10.8 km to 21.3 km start at Plumpton Racecourse, climb onto the South Downs Way and return with sea and countryside views. Courses are chip timed and include water stations, first aid and a finishers medal.

A riverside marathon and half marathon along the River Thames on an accurately measured UKA certified course. Multiple laps on a flat towpath route with medals for all finishers and virtual entries.

A short but steep fell race near Llanfoist and Abergavenny covering 5.7 km with 485 m of ascent. The course is mostly unmarked, needs basic navigation and can be affected by poor weather.

A guided group ultra run starting and finishing in Haslemere that follows parts of the Serpent Trail and Sussex Border Path, crossing heathland, woodland and fields with a midrun refreshment stop and optional trail shoe testing.

Join the Christmas Advent Run on Sunday 29 November in Walton on Thames for a festive riverside run. Tackle timed laps to suit you and enjoy optional medal and chocolate advent calendar plus a prize draw.

A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.

Mapledurham 10 & Half is a trail running event on 29 November 2026 at Mapledurham Estate near Reading offering 10km, 10 Mile and Half Marathon courses across woodland, fields and estate roads. On-course water, an event village and post-..

Trail races of 10 km, half marathon and a two person relay through ancient woodland at Charborough Estate. Expect rooted tracks, seasonal mud, a marked single loop course, one aid station and on route medical support.

Trail 5K and 10K at Tewinbury in Hertfordshire, run on undulating dirt, grass and woodland paths. Routes are fully marked and marshalled, with an aid station on the 10K and onsite facilities including toilets and parking.

A 21.1 km trail race around Hughenden Manor and surrounding woodlands, with about 450 m of ascent. Mostly forest paths, marked route, aid stations at around 7, 12 and 16 km, and on site parking, toilets and a cafe.

A 10 km trail race around Hughenden Manor in the Chilterns, with hilly woodland and rural sections, waymarked routes and a water stop at 5.3 km. The event base offers parking, toilets and a cafe.

Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.

A guided trail run on Box Hill near Dorking that focuses on steep off trail climbs and totals over 1000 m of elevation in a short distance. It is run as a group, not a race, with a steady pace around 10 min per mile.

Coastal 10 Mile and 10K races run from Hengistbury Head in Bournemouth along largely flat, traffic-free seafront paths past Boscombe Pier. The event features chip timing, water stations, finisher medals, and a plastic free policy.