Trail Running calendar near Builth Wells 2026-2027

115 km multi-discipline race from Abersoch beach to Snowdon and back, featuring a sea swim, mountain ascent and return bike with a beach finish.

A Wales trail event offering 100 mile and 100 km races across Offa’s Dyke, the Cambrian Way and the Beacons Way with volunteer support.

Point to point 50 mile ultra on Saturday 8 May 2027 with flat canal and coastal sections, six aid stations, a 14 hour cut-off and a Minehead finish.

A 100 miles Somerset route combining canal, coast and upland trails with 13 aid stations, tracking, a 32 hour cut off and on-course medical cover.

A 50 mile Somerset trail ultra with about 7337 ft ascent, coastal and moorland terrain, six aid stations and a 16 hour cutoff.

Trail races at Martinhoe on Exmoor offer 10K, half, marathon and ultra routes across moorland, woods, cliffs and coastal terrain.

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.

Trail races around Moel Famau in the Clwydian Range offering Marathon, Half Marathon and 10k on hilly off-road routes. Checkpoints provide refill taps, mandatory safety kit is required and canicross entries are accepted.

Off road 10 km alongside the Llangollen Canal with a kids 1 mile race; chip timed event with finisher medal included and a feeding station on course.

A measured 50 km route from Telford Town Park to Shrewsbury that passes historic sites such as Ironbridge, Buildwas Abbey and Wroxeter Roman City. The event features chip timing, five nutrition stations and a bespoke finish medal.

A muddy 5k obstacle course through Singleton Park with mixed terrain, staggered waves, an age limit of 13+, and on-site facilities including toilets and refreshments.

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.

Trail running from Sudeley Castle through the northern Cotswolds, with five routes from 7 km to 50 km across bridleways, woodland and open ridge lines.

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.

Margam Wild Trail Runs at Margam Country Park on 23 May 2027 offers 5 km, 10 km and half marathon trail routes, is canicross friendly, uses live chip timing, and provides medals and post-race refreshments.

A multi-stage event at Dare Valley Country Park where runners complete five Pure distances within 24 hours, with separate and combined results. Distances include 5k, 10k, 50k, half marathon and marathon.

A fully supported trail running event in May 2027 along the way-marked Heart of Wales Line Trail from Llandrindod Wells to Craven Arms, offered in **50 miles**, **26 miles**, and **16 miles** distances.

Three trail races of 50, 26 and 16 miles along the final sections of the Heart of Wales Line finishing at the Shropshire Hills Discovery Centre.

A last-runner-standing backyard ultra at Far Coley Farm on 4 June 2027: hourly 4.167 mile loops on mixed trail until one runner remains, with an on-site village, limited accommodation, and crew facilities.

The Beyond Bristol Ultra will take place in Bristol city centre on Saturday 5 June 2027. You can run between 25 and 55 kilometers.