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.

Challenge yourself on scenic trails at Up on the Downs on 1 March 2026, starting and finishing at Breamore House near Salisbury. Choose from a half marathon, 10k or 5k with a Canicross option and earn a finisher medal.

Tackle undulating trails, muddy paths and a shallow stream crossing on an adventurous six mile route at Baggeridge Country Park. Join the Action Heart Tuff Un on 1 March 2026 to test yourself and support a West Midlands cardiac charity.

Join the St David's Day Dragon Run at Dare Valley on 1 March 2026, a relaxed seven hour challenge where you choose how many laps to run. Expect scenic trails, medals from 3 km and tasty goody bags with vegan options.

Take on the Brave 5km and 10km on 1 March 2026 in Exmouth for cliff, coastal path and beach running, starting and finishing at Sideshore. Mixed terrain routes, great views and proceeds support the Sideshore Project.

Take on the Winter Green Man Ultra around Bristol's Community Forest Path with 45 or 30 mile options, solo or in pairs. Self navigated route, staffed checkpoints and a festive finish at Ashton Park with a tech tee and bespoke medal.

Run through New Forest woods, heath and meadows at the Hinton Admiral Trail Run with trail, canicross and hiking options. Dog friendly one dog per runner and entries include chip timing, water stations and a finishers medal.

Brutal at Chawton is a raw trail run across muddy woodland, water filled craters and steep sided valleys with tight technical trails. Options for 5 km or 10 km include dedicated canicross waves so bring your dog and expect big challenges.

Wight Riot is a mixed terrain coastal run at Hordle Cliff West, with sweeping views of the Isle of Wight and a scenic stretch past Sturt Pond Nature Reserve. Choose distances from 5K to ultra marathon and earn a medal for completing a lap o..

Run at Larmer Tree Gardens on 8 March 2026 with distances from a one mile fun run to a full marathon. Wave starts, multiple formats and a full colour medal for finishers make this a scenic family friendly race day.

Join the women focused TrailX Women Run at Culden Faw Estate near Henley on Thames on 8 March 2026 for a scenic day on the trails. Multiple distances from a 3 km fun run to 13 km competitive options make it perfect for all abilities.

Join the CODopoly Triple in Shropshire for a weekend of flexible running from The Unicorn Inn, with routes offering views of Ironbridge and south Telford. Pick one to three days and mix 8 mile, Half Marathon or Marathon distances to suit yo..

Join the Nant Yr Arian Silver Trail Races on 14 March 2026 in the scenic Cambrian Mountains, featuring a trail Half Marathon, 10 km and fun youth races for all ages. Organized by Aberystwyth Athletic Club, the community event supports local..

Tackle a scenic but testing 50 km trail ultra around Stonor Park, Henley on Thames, with rolling hills and about 1200 m of climb across two 25 km loops. Expect forest tracks, big views and a welcoming ultra community.

UTMB Index

Explore dramatic Jurassic Coast paths from Old Harry Rocks to the ruins of Corfe Castle in a scenic trail run with 21, 16.5 and 10.5 km options. Finish under castle ruins then ride a private steam train back to Swanage for a memorable day.

Run the scenic Maverick Hampshire Trail at Matterley Basin near Winchester, tackling undulating South Downs trails past the River Itchen and through woodland on 24 km Half Marathon, 16 km and 5 km routes. Friendly vibe with on site parking.

Explore ancient trees and rolling trails in Wyre Forest on 15 March 2026 with a half marathon or a 7.6 mile Super Seven. Enjoy timed, fully marshalled courses, finishers medals and a friendly forest atmosphere with cafe and on course suppor..

Join the Dashing Dog Charity Run at Dare Valley Country Park for a 7 hour time challenge where you choose how many laps to run. Support local dog rehoming charities and enjoy scenic trails, medals and on course aid.

Finish the season with the final round of the West Glamorgan XC League at Gnoll Park, Neath on 15 March 2026, a testing 5 mile cross country hosted by Neath Harriers. Club only event with no on the day entries, registration opens 2 February..

Join the Pendock Spring Chicken Run on 15 March 2026 for scenic Worcestershire routes with 10K, 5K and a 1K fun run for all ages. Enjoy medals, prizes and help raise funds for the local school.

Experience the South Downs Way at Winter's End on 21 March 2026 with a point to point 50 mile ultramarathon from Arundel to Winchester or pick one of two marathon sections. Rewarding chalk ridge trails, ancient woodlands and well stocked ai..