Trail Running Calendar Wales 2026-2027

We have found 125 Trailruns in Wales. Check below where and when you can find the races.

Tackle the 10 mile Sirhowy Challenge on 17 May, a scenic multi terrain loop climbing 1500 ft to Machen Trig Point through the rolling Sirhowy valley. Undulating terrain suits adventurous runners and all finishers receive a drinks token.

Celebrate the 50th anniversary of Rocky with a flexible 7 hour time challenge at Dare Valley Country Park, where you choose your distance from 3 km to ultra. Enjoy scenic trails, on course aid, medals for finishers and ice cream at the end.

June 2026

A weekend trail and ultra running festival along the Pembrokeshire Coast Path, finishing at Dale Hill Farm Campsite. Four distances from 22 miles to 100 miles with coach transport, GPS trackers and camping options.

UTMB Index

A 40 mile ultra on June 6, 2026, along the Wales Coast Path from Porthcawl to Penarth, featuring coastal trails, Ogmore Castle and stepping stones, four staffed checkpoints and specified mandatory kit.

Midnight Mountain Marathon in Brecon Beacons lets runners start in daylight and finish under stars while crossing iconic summits like Pen Y Fan. Pick marathon, half or bergen entries and collect a finisher medal plus a warming mug of tea.

A guided recce of the Paddy Buckley leg from Beddgelert Forest to Llanberis across the Snowdon Range; about 20 km with 1,900 m ascent, led by Mountain Leader qualified runners on 14 June 2026.

Ultra Wales 50 is a rugged 51 mile trail through Southern Snowdonia from Coed y Brenin, summiting Cadair Idris and crossing wild coastal and forest terrain. Expect big climbs, stunning views and a mountain running challenge on June 20 2026.

UTMB Index

Enjoy a scenic 10k around the private Lake Vyrnwy estate in Llanwddyn on Sunday 21 June 2026, with mixed trails, lakeside views and challenging climbs. Finishers get a medal and post race goodies.

Enjoy a scenic 10k around the private Lake Vyrnwy estate in Llanwddyn on Sunday 21 June 2026, with mixed trails, lakeside views and challenging climbs. Finishers get a medal and post race goodies.

July 2026

A 30 mile ultra marathon based in Abergavenny with about 5,446 ft of elevation, mostly on trail and including a climb over the Sugar Loaf. The route has three fully stocked checkpoints and downloadable maps on plotaroute.com.

Take on the MTC Hafren Ultra, a scenic 27 mile point to point from Rhyd y benwch up Plynlimon to the source of the River Severn and finishing at Caersws. Expect moorland and boggy terrain, challenging climbs and long descents for a true mou..

Run a five day, 220 mile ultra along the River Severn, following the Severn Way with rugged, sometimes overgrown trails and GPX navigation provided. Each day is a separate race with bespoke medals and a big trophy for completing all five.

Tackle a scenic 48 mile point to point ultra along the River Severn from Mid Wales to Shrewsbury, with rolling hills, canal paths and nature reserves. Expect a tough but rewarding day with checkpoints, mandatory kit and a cup free event.

Run rugged trails around Snowdon at Snowdonia Trail Marathon Eryri in Llanberis, with distances from 10K to ultra. Expect epic mountain views, live timing, lively event village and a kids fun run raising funds for Llanberis Mountain Rescue.

UTMB Index

Take on a 24 hour ultra on Snowdon, racing to ascend and descend Yr Wyddfa as many times as you can in one epic day. Solo runners and relay teams of up to five will find mountain support, a buzzing event village and UTMB indexed entry.

Explore the Gower Peninsula Ultra Challenge from basecamp at Penrice Castle, with scenic trails across beaches, cliffs, moors and woods. Distances from 10 km to 100 km, weekend camping, support stops and finisher goodies.

UTMB Index

Run scenic coastal trails at Merthyr Mawr Estate, over sand dunes including the famous Big Dipper and along the Glamorgan Heritage Coast. Choose from 12K, 40K or family Bunny races for a sandy seaside challenge for all abilities.

A guided traverse of all 14 Welsh peaks over 3000 feet across Snowdonia, offered as a 20 hour challenge or a two day option on 18 July 2026. The route is about 50 km with roughly 4000 m of ascent and includes exposed sections such as Crib G..

Three ultramarathon races follow the Wales Coast Path into Cardiff Bay, over beaches, dunes and coastal trails. Distances are 100, 50 and 30 miles with route marking, GPS tracking, checkpoints and finish awards at the Norwegian Church.

UTMB Index

A professionally guided, fully supported three day route from Capel Curig visiting major ranges in Northern Snowdonia. The loop is just over 100 km with about 9,000 m of ascent across 47 summits, run in small groups with a six person maximu..