Trail Running calendar near Thornbury 2026-2027

Multi terrain races around Chasewater Reservoir on 28 March 2027 offering 20k, 15k, 10k, 5k and a Junior Run. Entrants receive a bespoke medal, free photos and prizes for leading runners.

A two lap multi terrain 10 km trail race on Easter Monday around Mortimer Fairground and local woodlands, with a canicross option, chip timing, medal and free race photos. The undulating course is not suitable for pushchairs or wheelchairs.

Three long distance mountain races loop around the Bannau Brycheiniog National Park from Brecon, offering a 100 km ultra, a 40 mile ultra trail and a mountain marathon with marked checkpoints and GPS support.

A 40 or 50 mile trail ultra along the Testway from Linkenholt to Totton in Southampton, with aid stations every 10 miles, marshals and medical support. A shuttle option is available for an extra £10 and there is a 14 hour cutoff.

A spring running and walking festival in the Shropshire Hills with off road distances from 10 km to 80 km. Events raise funds for the Grow Cook Learn charity and feature varied trail terrain and staffed checkpoints serving local food.

A 22 miles trail race along the South West Coast Path from Exmouth to Seaton with about 4,000 feet of ascent. Offers full, relay and half race options, checkpoints, baggage transfer, pre-race transport and a 7 hour limit.

The Green Lantern will take place in Exeter on Sunday 4 April 2027. You can run between 9 and 14 miles.

Scenic mixed terrain races along the Thames at Remenham Farm in Henley on Thames. Options include a Half Marathon, a 10K and a Junior Race with marked trails, marshals, chip timing and post race goodies.

A 200 mile point to point trail race across South Wales from Chepstow to Worm’s Head, with a 120 hour limit, live runner tracking, eight aid stations and organised drop bag support.

A trail running event using the West Somerset Railway steam line, offering *11 km*, *11 miles* and a full marathon. Runners travel by steam train to their start points and finish outside Minehead Station, with routes through the Quantock Hi..

A guided 18-mile trail run on the Malvern Hills with over 1300 m of ascent, led at a social group pace. Meeting in Great Malvern, the route follows the ridge summits and returns via quieter hillside and woodland trails.

A 50K ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow via the Ridgeway National Trail, with about 996 m of ascent. The fully marked route has three aid stations and a 9 hour time limit.

Trail ultramarathons in the Mendip Hills offering two self navigation distances, 50 miles and 50 km, organised by Town and Country Harriers to benefit the Mendips Hills Fund. Aid stations, GPS trackers, finish medals, prizes and camping are..

Traverse the mountains and forests of the Brecon Beacons National Park with 10, 20, or 40 mile trail options. Enjoy a fully marked course and well stocked checkpoints in this canicross friendly mountain challenge.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate plus a Run in Colour for children aged 4 to 11. Fees vary by age and affiliation.

A multi-distance canal and riverside ultraseries based at Streatley-on-Thames, featuring TR250, TR150 and TR100 with GPS tracking, checkpoint support and required navigation using provided GPX files and maps.

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 13 mile offroad trail on the Malvern Hills on 24 April 2027, starting from the Elim Arts Centre. The course passes woodlands and a ridge top at Wynds Point with multiple aid stations, staffed checkpoints and a café at race headquarters.

Three coastal trail races on the Vale of Glamorgan coast on 24 April 2027, including a 32.5 mile ultra, 18.5 mile trail and 10 mile route. The course follows the Wales Coast Path and finishes at Ogmore-by-Sea Village Hall.

A walking and running event around Bath with routes of 12.5, 17, 21 and 26.5 miles over public footpaths, staffed checkpoints, a finisher's medal and post-event refreshments.