Trail Running calendar near Builth Wells 2026-2027

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.

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.

A 10 km multi terrain route from Selworthy Beacon down technical trails finishing on Minehead Beach with views over the Bristol Channel and Exmoor National Park.

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 race across the Malvern Hills with signposted route, staffed aid stations and race timing; entry includes photos, parking and a donation to Malvern Hills Trust.

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.

Corvedale Cake Walk is a Marches LDWA challenge walk from Holdgate Church on 24 April 2027 offering 22 mile and 10 mile routes that climb to Abdon Burf and return via the Jack Mytton Way, with checkpoints and refreshments.

Trail races in Little Haven on 24 April 2027 offering 10K, half, marathon and ultra routes across grass, trail, beach and coastpath with recorded ascents.

An endurance event in Llandegla Forest featuring repeated approximately 5.33 km forestry laps on the hour until one runner remains.

Out-and-back trail event from Abberley Village Hall with 23, 31, 38 and 47 mile options; the full route includes about 2,941 m ascent, GPX navigation is provided and checkpoints enforce a 13 hour maximum time.

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.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

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..

Trail races from Caffyns Farm, Lynton, through Exmoor National Park with five routes from 5 km to a 56 km ultra. Expect coastal paths, moorland and technical terrain with substantial elevation.

A one-day trail event in Ilmington offering six distances from 10K to 100KM plus a new two person 100KM relay, with feed stations, baggage support, GPX maps and trackers on the longer routes.

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.

Pretty Muddy 5k at Weston Park is an obstacle course across paths, tracks and grass with some hills and on site parking. Entrants must be at least 13 and take part in staggered wave starts while raising funds for Cancer Research UK.