Trail Running Calendar Wales 2026-2027

Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026 is a rugged 6 mile test with about 2000 ft of ascent across ridges, forestry and old slate quarries. Expect steep climbs, exposed summit running and a moorland descent.

The fourth race of the West Glamorgan XC League takes place on 1 February 2026 at scenic Kenfig Nature Reserve. Tackle 4.2 miles of classic cross country terrain with Cornelly Striders hosting; entries are limited so sign up from 19 January..

Take on the Sorbrook Slog on 22 February 2026, a lively 7 mile multi terrain race through footpaths, fields and gullies around Sorbrook and Sluvad in Cwmbran. Enjoy marshals on course, post race tea and cake and a finishers goodie bag.

Join a weekend fell and trail running retreat in the Black Mountains, Wales from 27 Feb to 1 Mar 2026 at Dinas Castle Inn. Guided runs on the Dragons Back ridge, skills coaching and bunkhouse accommodation make for an inspiring weekend for..

Castle 2 Castle Ultra is a 32 mile ultramarathon from Powis Estate in Welshpool to Caffi Wylfa in Chirk, blending fast flats with rolling footpaths for a scenic but testing challenge. This sold out event awards finishers a commemorative pla..

Run a scenic 70k along the Taff Trail from the Brecon Beacons to Nantgarw, passing reservoirs, waterfalls and historic sites. The event includes coach transfer to the start, checkpoints, timing and a finisher medal.

Tackle a rugged 75 km mountain ultramarathon from Brecon to Cardiff, summiting Pen y Fan, Cribyn and Fan y Big over wild ridges and forests. A 26.2 mile Taff Xtreme option covers the second half; both are unmarked and GPS navigated.

Celebrate St David's Day with the Dragon Run at Dare Valley Country Park on 1 March 2026, choose from 3 km to ultra distances or tackle a flexible 7 hour time challenge. Enjoy scenic footpaths, aid stations, medals and vegan goody bags.

Take on the Loggerheads Trail 5 km or 10 km at Loggerheads Country Park on 7 March 2026, including a 5 km canicross option and member entries. Enjoy varied riverside and technical trails, a few challenging steps, and friendly on site suppor..

Tackle a scenic but testing 6.8 km fell course around Dolgarrog with 417 m of climb, hosted at Canolfan Porthlwyd. Entry on the day; minimum age 16 makes it perfect for adventurous runners.

A community-focused 10 km event in Abersoch on 8 March 2026 that welcomes running, jogging and walking with no cut-off times. Cancer information packs and on-site support are provided; entry fee is £20.

Nant Yr Arian Silver Trail in the Cambrian Mountains offers Half Marathon and 10 km trail races plus junior races for several age groups. Routes are waymarked with feed stations and marshals and the event supports local charities.

Trail running and canicross across the private Brynkinalt Estate with approximate 5k and 10k routes, scenic terrain, on site parking and medals for finishers.

Marked trail event in the Black Mountains on 14 March 2026 offering 11, 20 and 40 mile routes with GPX available, stocked checkpoints, strict mandatory kit checks and a canicross friendly policy.

A fell race in the Dee Valley of just over 6 miles with about 2100 ft of ascent, finishing near Moel y Gamelin at 1893 ft. Race HQ is at the Conquering Hero in Rhewl and the event is run under WFRA rules.

Join the Dashing Dog Charity Run in March at Dare Valley Country Park for a scenic 7 hour time challenge from 3 km to ultra. Run on well kept trails with aid stations and free parking while supporting local dog rehoming charities.

Finish the season in style at West Glamorgan XC League Round 5, the final 5 mile race of the 2025/2026 series at scenic Gnoll Park in Neath on 15 March 2026. Hosted by Neath Harriers, this club focused cross country event promises a fun, ch..

Fifth and final West Glamorgan XC League race at Amman Valley Trotting Club in Tairgwaith on 15 March 2026. A 5 mile cross country organised by Neath Harriers with free parking, a cafe, and no on the day entry.

Take on the Ras yr Aran fell race in North Wales on Saturday 21 March 2026 from Llanuwchllyn near Bala. The senior course is 16.1 km with about 945 m of ascent for a scenic but demanding mountain challenge and a junior race is offered.

Take on the Red Warrior multi terrain races at Margam Country Park on 22 March 2026, with 5K, 10K and 20K routes for solo runners and canicross teams. Expect varied trails, friendly vibes and a great day out for competitors and their dogs a..