Trail Running Calendar Wales 2026-2027

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 self‑navigated *100 km* ultramarathon along the Beacons Way with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and mandatory map-and-compass navigation; places are limited and mandatory kit is enforced.

A 100 miles race across the Brecon Beacons on 25 July 2026, following the Beacons Way from Abergavenny Castle with 10 checkpoints, 6143 m ascent and live GPS tracking. Entrants must meet age, experience and mandatory kit requirements.

Trail races around Abergavenny on 25 to 26 July 2026 offer distances from 12 km to 110 km, camping at Llangorse, checkpoints about every 10 km and UTMB Index categories. The event includes medical support, marked courses and a Race Pack sen..

Join Ooops I Ran It Again at Dare Valley Country Park on 25 July 2026 for a fun themed seven hour time challenge where you can choose distances from 3 km to ultras. Expect medals, goody bags, on course refreshments and scenic park trails.

Trail runs on 26 July 2026 around Pen Y Fan with two distance options, 5 miles and 13 miles. Entries include a buff, medal and chip timing and specific compulsory kit is required for each distance.

A 50 mile loop around the Epynt Way on 1 August 2026 starting and finishing at Noyadd Farm Camping in Builth Wells. The mostly trail route has 8,559 ft of elevation, five stocked checkpoints and no time limits.

The Brecon Beacons 51k will take place in Talybont-on-Usk on Saturday 8 August 2026.

A long-established challenge in northeast Wales with three upland route options that follow the Offa's Dyke Path over Moel Famau. Walkers and runners are welcome and entries include route description, checkpoint refreshments and a certifica..

SkyRun Eryri in Rhyd-Ddu, Eryri/Snowdonia stages four mountain races from 16 km to 55 km on 15 August 2026, with large elevation gains, aid stations and a mix of ridgelines, scrambling and technical trails.

A marked trail running event in Llangattock, Wales on 22 August 2026 offering 10 km, 10 mile, 20 mile and 32 mile routes with published GPX files, staffed checkpoints, mandatory kit checks and on site facilities.

Beast of Bryn invites runners to tackle scenic but tough mountain trails in Afan Forest Park near Port Talbot, with 6.5 mile and 10.5 mile options plus a one mile fun run for youngsters. Organized by local charity BRAG, proceeds support com..

Point to point trail ultras from Llanthony Priory or Abergavenny to Cardiff along the Cambrian Way, with two long-distance options, staffed aid stations and a minimum age of 18.

A fell race in North Pembrokeshire on Sat 29 Aug 2026 covering 8 km with 330 m of climb. Entries are accepted in advance and on the day, and junior Mochyn du races have entry on the day only.

Coastal ultra marathon events on Anglesey include a 130 mile full circumnavigation and a 47 mile point to point race along the coastal path. Routes are mainly trail based, include checkpoints with cut-offs, and feature significant ascent.

A 30 mile ultra around the Rhymney Valley Ridgeway Walk, mostly on trail with about 4,252 feet of ascent, starting and finishing at Parc Penalta, with three fully stocked checkpoints and no official time limit.

A 102 mile, 5,172 m elevation ultramarathon across Snowdonia on 5 September 2026 with 11 checkpoints and a 42 hour cut off. The course is self navigated and runners are tracked online via GB Race Tracker.

A 45 mile mountain ultramarathon in Snowdonia Eryri from Betws-y-Coed, with about 2800 m ascent, five supported checkpoints and mandatory mountain kit. Entry requires previous ultra and mountain experience and a minimum age of 20.

RunThrough Snowdonia Sea2Sky in Barmouth invites trail runners to tackle coastal paths and climb Cadair Idris with 12 km, 25 km and 54 km options. Expect stunning views, waymarked trails, chip timing and a lively event village.

The Montane Dragon's Back Race will take place in Conwy from Monday 7 September 2026 to Friday 11 September 2026.