Trail Running calendar near Cardiff Bay 2026-2027

The HOWUM in Llanidloes on May 1, 2027 offers Full and Half event options; entries are currently marked sold out with a waitlist listed.

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 five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.

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 5 km to 56 km around Exmoor National Park with steep climbs, coastal views, technical terrain and marked outposts for fuel and hydration.

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

Seven hour flexible-start running event on 8 May 2027 near Littleham, Exmouth with 5.3 km laps on a measured tarmac rail trail; max 50 entrants, age 18 plus.

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.

An eight mile coastal trail in Torbay on 14 June 2026 featuring a Pirate King hunt, one aid station visited twice, a three hour cut off, and a finisher medal.