Trail Running calendar near Machen 2026-2027

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.

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.

A spring trail event in Harewood Forest near Andover offering 5k, 10k, canicross and a childrens fun run on undulating, multi terrain courses with marked routes and on course marshals.

Off-road half marathon and 10 km through Collingbourne woods near Ludgershall with aid stations, medical support, chip timing and medals for all finishers.

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 running event at Martinhoe in Exmoor National Park on 8 May 2027 with 10K to ultra distances across moorland, woods and coastline. Points from each finish count toward the Endurancelife season leaderboard.

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 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 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.