Trail Running Calendar Wales 2026-2027

We have found 130 Trailruns in Wales. Check below where and when you can find the races.

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..

The Castle 2 Castle #Ultra is a 32-mile running challenge connecting Welshpool to Chirk. Starting at Powis Estate, the route mixes flat paths with gentle inclines. Finishers are rewarded with a commemorative plate at Caffi Wylfa.

March 2026

A point-to-point, fully marked long-distance race along the Taff Trail from the Brecon Beacons to Nantgarw, covering about 70 km. The course mixes upland trails and valley cycle paths, with six checkpoints and a Merthyr drop bag for mid-rac..

Two winter mountain races between Brecon and Cardiff. The Brecon to Cardiff Xtreme is about 75 km (47.5 miles) over 11 summits with roughly 2680 m ascent, while the Taff Xtreme Marathon covers the second half at about 26.2 miles and 1300 m..

UTMB Index

Celebrate St David's Day with a flexible 7-hour time challenge run in Wales' scenic Dare Valley Country Park. Choose your own distance on well-maintained footpaths and earn a medal for any run over 3 km. Free parking, an aid station, and go..

The North Wales Pilgrims Half Marathon on 1 March 2026 is a 21km trail run along the coastal Pilgrim’s Trail. With no time limits, it is open to runners and hikers. Completing it as part of the Pilgrims Challenge leads to special recognitio..

Trail races at Loggerheads Country Park in March 2026 offering 5 km, 5 km Canicross and a new 10 km course across riverside paths, rocky sections and stair climbs for varied trail running conditions.

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.

Join the 9th edition of the Nant yr Arian Silver Trail Races in the scenic Cambrian mountains. Choose from a half marathon or 10 km on fully marked, varied terrain, with separate fun runs for juniors. The family friendly event supports loca..

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

Tackle the trails of Wales's Black Mountains on a choice of 11, 20, or 40-mile marked courses. The event starts from Longtown Hall and welcomes canicross runners. Expect fully stocked checkpoints and a mandatory kit for the mountain environ..

This mountain race in the Dee Valley covers just over 6 miles with 2100ft of ascent, following the Llantysilio ridge to the summit of Moel y Gamelin. It's a fell run under WFRA rules, requiring full waterproofs and safety kit. The event sta..

The Dashing Dog Charity Run - Wales This is a charity running event to raise money for local dog rehoming centres, organized by Saturn Too Limited. It takes place on March 21, 2026, at Dare Valley Country Park in Aberdare, Wales. The event..

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 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..

A surprise-distance trail run at Bwlch Penbarras with an earlier Canicross start; organisers reveal the last kilometre. The marked, marshalled course is 6 to 12 kilometres across hilly terrain and includes a chocolate treat and a finishers'..

Recce a key leg of the classic Paddy Buckley Round in Snowdonia. Join a small guided group for a 15 km mountain run with over 1,800 m of ascent. It's ideal for aspiring Paddy Buckley runners or anyone wanting a challenging day in the Welsh..

Join a guided recce of the challenging Carneddau leg of the famed Paddy Buckley Round. Cover 16km with over 1,200m of ascent from Ogwen Valley to Capel Curig, learning the route in a small group with experienced leaders.