Trail Running calendar near Thornbury 2025-2026

We have found 356 Trailruns within 80 miles of Thornbury. See below where and when you can find the races.

Join the Axmouth Challenge around picturesque Axmouth Village Hall with quirky start and finish at the village phone box. Choose from 1 to 9 mile routes and enjoy free post race refreshments while supporting the village hall.

Take on the CF64 Winter Race at Cosmeston Lakes Country Park, a scenic 6.4 mile trail through woodland, meadows and marshland on 18 Jan 2026. Enjoy an undulating off road route, marshals, free photos and a friendly trail atmosphere.

Take on the third West Glamorgan cross country race at Margam Park on 18 January 2026, a scenic but testing 5 mile course hosted by Run4All Neath. Pre registration opens 1 January and no on the day entries will be accepted.

Run orienteering in Micheldever Forest on Sunday 18 January with an updated ISOM map and courses for all abilities. EMIT eCards, parking on forest tracks, toilets and nearby pubs make it a convenient winter forest adventure.

Take on the Holly Challenge this January on the leafy lanes of Lightmoor Nature Reserve in Telford, with multiple distance options and medals for every finisher. With only 50 places, this small friendly event offers marshals, an aid station..

Join the Blackdown Beast, a social self guided run across the Blackdown Hills from Dunkeswell on 24 January 2026 with 10 and 16 mile options. Enjoy scenic trails and refreshment stops while helping Macmillan Cancer Support.

Take on Spice Up Your Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from 3 km upwards. Enjoy countryside laps, snacks and medals for finishers, with fancy dress warmly encouraged.

Join the Stonehenge Stomp on 25 January 2026 for a scenic walking event that welcomes runners and is not a race. Choose routes from family friendly 5 km up to 40 km and enjoy stunning views of Stonehenge in a popular, limited entry event.

Enjoy scenic woodland trails at Moors Valley Country Park with muddy sections, wildlife sightings and two distance options: 10K and half marathon (two laps). Eco friendly event with chip timing, aid stations and limited canicross places.

Tackle the wild trails of May Hill with muddy climbs and an open summit offering panoramic views. Pick the shorter course or the longer Mayhem loop, or join the canicross for a lively weekend of cross country fun.

Explore the Shropshire Hills from Carding Mill Valley with marathon, half marathon or 10k routes across The Long Mynd and National Trust terrain. Enjoy stocked aid stations, a medal and a fun cake competition after your run.

Run Starburster at sunset in Hurn Forest from St Leonards cricket club, with 5 and 10 mile options that glow under twilight. Bring a head or chest torch and trail shoes are recommended, and 20% of fees support Forestry England.

Oxford Town v Gown 2026 brings a lively interclub orienteering clash on Saturday 31 January, with starts in University Parks and assembly at St Anne's College. Expect a 5 to 6 km course studded with artificial barriers that will reshape you..

February 2026

Join the DirtRun Dudmaston 10k on 1 Feb 2026 for a scenic off road 10 km through Comer Woods at Dudmaston Estate. Enjoy a finisher medal and goodie, with category prizes including real ale for top performers.

Take on Round 4 of the West Glamorgan XC League at Kenfig Nature Reserve on 1 February 2026, a scenic 4.2 mile cross country hosted by Cornelly Striders. Entries are capped so book in advance to guarantee your place.

The Pilgrim Challenge will take place in Farnham from Saturday 7 February 2026 to Sunday 8 February 2026. You can run 66 miles.

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which offer a beautiful and varied landscap..

Enjoy a winter run through Westonbirt Arboretum's stunning tree collections on solid underfoot trail style paths. Distances of 5 km and 10 km suit all paces. Tickets are sold out.

Explore the stunning Portland Coastal Ultra Trail along the South West Coast Path with 10k, half and full marathon options. Enjoy rugged sea views, chip timing and a finisher medal; GPS route download required.

Run a scenic 10 mile loop through North Milton Keynes parklands, riverside paths and woodland, featuring the quirky Cattle Creep tunnel under the Grand Union Canal. Dog friendly and chip timed with marshals and a finish medal for all finish..