Trail Running calendar near Thornbury 2026-2027

A city-centre trail event offering a 55 km ultra and a 25 km trail run through riverside paths, woodland and parts of the old Bristol and Bath Railway. Public parking is nearby and public transport is recommended.

A guided 18 mile trail across the Malvern Hills with over 1300 m of ascent, run at a social pace. Meeting in Great Malvern with parking and nearby train access, cost £39 per person and alcohol free beer may be offered afterwards.

A 50K trail ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow in Wendover, following ridgeline trails with three checkpoints and full route marking. The event includes on course nutrition, chip timing and a nine hour..

A multi-terrain running event on 18 April 2027 with 5 km and 10 km courses through Wormsley Estate, a steep Ibstone Kicker, age-specific entry rules and a children’s Run In Colour on Ibstone Common.

A multi distance canal and riverside ultra series based at Streatley on Thames offering roughly 250, 158 and 98 mile options. Routes use GPX and maps, include GPS tracking and staffed checkpoints with varied facilities.

A last-person-standing Backyard Ultra at the Medieval Village, Cosmeston Lakes: runners repeat a fixed **6706 m** loop each hour until one athlete completes one more loop than anyone else. Camping and on-site facilities are provided.

A blindfolded navigation challenge in Winchester where participants are dropped at unknown locations and must find their way back on foot. Options include 6 miles for visitors and 10 or 15 miles; no maps or GPS and a sealed emergency bag is..

A trail event at St Giles House offering races from junior fun runs to a marathon, virtual entries, camping and a dog option, while supporting the New Forest Marathon Community Fund.

Out-and-back trail event from Abberley Village Hall with 23, 31, 38 and 47 mile options; the full route includes about 2,941 m ascent, GPX navigation is provided and checkpoints enforce a 13 hour maximum time.

A five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.

A 5k obstacle course at Coopers Field, Bute Park, Cardiff, with tarmac paths and grassy sections that can get boggy after rain. The event raises funds for Cancer Research UK and uses staggered wave starts; participants must be 13 or older.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

Off road half marathon and 10 km through Collingbourne woods near Ludgershall with stocked aid stations, full medical support and chip timing. Medals for all finishers and prizes for the top three men and women.

Pretty Muddy 5k at Weston Park is an obstacle course across paths, tracks and grass with some hills and on site parking. Entrants must be at least 13 and take part in staggered wave starts while raising funds for Cancer Research UK.

Multiple trail race distances in the Stroud area using towpaths, disused railway tracks and Cotswold hills, with a route that ascends to Selsley Common for wide valley views. Water, marshals and first aid are provided on course.

Part of the inaugural Welsh Festival Of Running, the 100 Mile Challenge at Dare Valley Country Park gives runners 34 hours to cover 100 miles on a 5 mile loop. Entries are available for individuals and teams, with a timed 34 hour option.

A trail running event on Saturday 29 May 2027 that follows the Heart of Wales Trail from Llandrindod Wells to Craven Arms, with three distances of 48, 24 and 16 miles and waymarking along the route.

A point to point half marathon along canal towpaths from Wolverhampton to Brindley Place in Birmingham, featuring a 360 metre tunnel, time trial wave starts and floating drink stations every 3 miles.

Two ultra distance races on the Beacons Way in the United Kingdom from 24 July to 25 July 2027, part of the Ultra Great Britain Race Series with live GPS tracking.

A riverside trail event at Remenham Farm in Henley-on-Thames offering a Half Marathon, 10K and a Junior Race for under 11s, with chip timing, medals, free photos and an event village.