Trail Running calendar near Llandeilo 2026-2027

We have found 250 Trailruns within 80 miles of Llandeilo. See below where and when you can find the races.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

A 100 km route across the Brecon Beacons with 3178 m ascent, six staffed checkpoints and a 24 hour cut off. Entry by application on 25 July 2026 requires prior ultramarathon experience and competent map and compass navigation.

A 100 mile mountain ultramarathon following the Beacons Way National Trail through the Brecon Beacons. This self navigation race features over 6000m of ascent and passes the highest peaks in South Wales.

Experience the wild beauty of the Brecon Beacons with a range of trail races from 12km to 110km. This UTMB Index event offers multi-stage and single-day options through the rugged hills of Wales.

A 7 hour time challenge at Dare Valley Country Park where runners choose distance from 3 km to 50 km. Finishers from 3 km receive a themed medal and longer distances earn pins.

A Dunster basecamp event on 25 July 2026 with 50 km, 25 km and 10 km loop options across the South West Coast Path and Exmoor, featuring GPS tracking, covered rest stops, medical support and camping.

Trail runs around Pen Y Fan in South Wales on 26 July 2026, with 5 mile and 13 mile options. Entry includes a buff, medal and chip timing, and mandatory kit requirements vary by distance.

August 2026

Experience a 50 mile ultra marathon around the historic Epynt Way in Wales. This trail event offers 8,559 feet of elevation and scenic views of the Brecon Beacons without any time limits.

Discover the Rose Run with Phoenix Running South Wales at Parc Taf Bargoed, a scenic multi terrain out and back with a repeatable 5.3 km lap to build distances from 5 km to ultra. Rock up and run with staggered starts and limited spots.

Introduced in 2026, the Pembrokeshire Trail Run follows the Pembrokeshire Coastal Path from Freshwater East to Saundersfoot, offering 25 km and 14 km trail distances with GPX routes and stated entry prices.

Two trail distances along the Mendip Way on 8 August 2026, finishing at Uphill Sands Beach. The routes feature woodlands, hilltop views and coastal terrain with aid stations and a cupless policy.

A trail running event in the Brecon Beacons on 8 August 2026 offering 24K and 51K routes with marked kilometres, marshals, stocked aid stations, chip timing and a finisher medal. An event village provides food, drink and free race photos.

A multi distance event in Bath that runs through two railway tunnels and along the Kennet and Avon Canal. Routes range from a 500 m fun run to 50 km with on course aid stations, timed results, finisher medals and first aid on site.

Trail races at Fyne Court Estate offer 5km and 10km options on undulating but well maintained trails in the Quantock Hills AONB. Wooden finisher medals are available as an optional extra to reduce waste.

Test your speed against a moving locomotive in the scenic landscape of Tywyn Mid Wales. With distances ranging from a toddler trot to a fourteen mile multi terrain course there is a race for every age group.

Two Tunnels on 16 August 2026 in Bath offers distances from 500 m to 50 km, including marathon and relay options. Runners pass through two restored railway tunnels and the event donates £1 per runner to Sustrans.

Experience an obstacle course race at the historic Badminton Estate in Gloucestershire. Choose from 5K, 10K, or 21K distances featuring up to 30 obstacles across a fast and flat countryside course.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.

A clockwise ultra on the Community Forest Path near Bristol offering 45 miles and 30 miles routes with four checkpoints, mandatory kit requirements and tracking from 2026. All finishers receive a bespoke medal and a technical T shirt.

Great British Bake Run at Dare Valley Country Park pairs running with a baking competition and a cupcake magnet medal. Multiple distances and a 7 hour time challenge are offered, with aid tables, goody bags, parking and cafe facilities.

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