Bristol
Trail Running Calendar near Bristol 2026-2027
Explore the top trail runs near Bristol for 2026-2027! We've gathered 94 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
February 2027
Two Tunnels in Bath on 21 February 2027 offers many distances and runs through two long restored, lit and surfaced railway tunnels under the city, with start and finish at Brickfields Park and a charity contribution to Sustrans.
March 2027
The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.
Six hour trail event at Symonds Yat with 5.25 km loops, 160 m ascent per loop, technical terrain and medals awarded by completed loops.
A way marked half marathon through forest trails around Speech House in the Forest of Dean on 21 March 2027. The Rotary Club organises the event with chip and gun timing, three water stations and charity links.
April 2027
Trail and road running in Monmouth with hilly terrain, stiles, scenic views, well stocked aid stations and strong volunteer support, organised by Stable Adventures.
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.
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 provided.
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.
May 2027
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.
An official Backyard Ultra at Blaise Castle Estate on 1 May 2027 where runners complete a 6.7056 km loop each hour until one runner remains. The woodland loop is hilly and technical, head torches are mandatory at night and minimum age is 20 years.
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.
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.
Stroud Trails on 9 May 2027 offers four marked trail races across the Cotswolds with checkpoints, water stations, marshals and a mandatory 500 ml water carry.
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.
An untimed inflatable obstacle run at North Somerset Showground on 22 May 2027 offering 2.5 km laps with options up to 15 km and family-friendly entries.
Altered Backyard Ultra at Tockington Manor on 29 May 2027, running hourly 4.126 mile loops up to a 30-loop cap for about 201 km, field capped at 250 runners.