Thornbury
Trail Running Calendar near Thornbury 2026-2027
Explore the top trail runs near Thornbury for 2026-2027! We've gathered 136 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
Race for Life at Coopers Field, Bute Park offers 10k, 5k and 3k routes on mixed grass and tarmac while raising funds for Cancer Research UK.
A trail race following the Windsor Hill railway path through woods, tunnels and viaducts, finishing in Shepton Mallet. Routes and walking options are provided, with a lunchtime boxty feast in the market place.
A Welsh trail ultra with a 100 mile route from Abergavenny and a 100 km option from Talgarth to Abergavenny on Offa's Dyke and other long-distance paths.
Timed event on a 3.28 mile out-and-back canal route in Stroud on 08 May 2027, with choice of distances from 5 km to ultra and a seven hour limit.
Four waymarked trail races around Stroud and the Cotswold hills on 9 May 2027, from an 11K to an Ultra 40, with checkpoints and downloadable route files.
The Dilton Dash on 09 May 2027 offers 10 km, 3 km and 0.5 km multi terrain courses around Dilton Marsh playing field.
A 10k trail run at Symonds Yat with riverside views and a notable final one kilometre climb. The mostly off road course includes long gravel firetracks and on site coffee and hot food.
Backyard format at Eastnor Castle Deer Park with a solo 8 hour 33.3 mile event on a 4.167 mile loop and continuous 8 hour relay options for pairs and teams.
Mud-focused trail run at Eastnor Castle offering 3km, 6km and 10km routes with natural obstacles, muddy troughs, on-site camping and basic facilities.
Inflatable obstacle-course event in Bristol on 22 May 2027 offering 2.5 km to 15 km options, music zones, hydration stations and a finisher medal.
Altered Backyard Ultra at Tockington Manor on 29 May 2027 with a 4.167 mile loop each hour, capped at 30 loops and a fastest lap finish if runners remain.
A multi terrain 11K run around Bratton supporting the Jubilee Hall with age category prizes, water stations, and a 200 runner limit.
Team relay on a flat 2.5km lap at Clifton Downs, Bristol, with four-hour racing, pairs or teams of four, charity entry options, and a £2700 prize fund.
June 2027
Three urban orienteering races across Bristol and Bath, 4–6 June 2027, with single entry options and weekend SI card hire.
Races in Bath that run through two restored tunnels on a shared use path, with distances from 500m Colourburst to an ultra marathon.
A roughly 6 kilometre mixed-surface race through Blaise Castle Estate in Bristol, held annually in early June. The event has individual and team prizes, a minimum age of 16, and facilities based around the clubhouse.
A backyard ultra at Breakheart Quarry where runners repeat a 6706 metre loop every hour until one person remains; the event includes camping, marked trails and on course support in the Cotswold countryside.
Off road races around Cheddar Gorge and the Mendip Hills on 13 June 2027, from 1 km to marathon, plus an Omnium and UTMB Index Half and Marathon.