Trail Running Calendar Wales 2026-2027

Trail races along Offa's Dyke from Prestatyn seafront to summit finishes. Offers Half Marathon, Full Marathon and a 55.5 km Ultra with GPS tracking, coach travel options and a mandatory minimum kit list.

Run the Trail by Torchlight in Llangollen: an 8 km fell race over scenic starlit moor with about 244 m ascent. Bring a head torch and enjoy a lively night race open to runners aged 16 and over.

Three fully marked trail races through Afan Forest and the Rhigos range finishing at Dare Valley Country Park. Routes include steep climbs, river crossings and long descents with timed tracking, checkpoints and finishers medals.

Trail half marathon near Bridgend on 19 December 2026 with an 8 mile section plus about 5 extra miles of mixed terrain. Entry is limited to 70 runners and minimum age is 17.

A festive family-friendly fun run at Dare Valley Country Park with 2.5 km and 5.0 km routes. Finishers receive a themed medal and goody bag; the event includes an aid table, toilets, a café and free parking.

A pre-Christmas trail on Moel Famau starting and finishing at Bwlch Penbarras, with a mystery route of 6 to 12 km revealed during the race and a Canicross event before the main pack. Finishers receive a mince pie and a festive medal.

A December fell race on Skirrid of about 5.7 km with 450 m of ascent, based at the Skirrid Inn near Llanvihangel Crucorny. Entry costs £10, competitors must be over 16, and the event includes a kit dump and spot prizes.

A downhill fell race of 4 km from Moel Famau summit to Cilcain with about 350 m descent. The route is partially marked, for competitors over 16, and is insured by the WFRA; donations are collected at the White Horse in Cilcain.

A two hour night navigation event near Rosebush featuring a *16 km* woodland route with 660 m climb, a pre-marked map, compulsory kit and required navigation experience. Entry is online with a £10 fee.

Trails & Tarmac Backyard Ultra on 6 February 2027 uses a 4.2 mile loop split between trail and tarmac. Medals are awarded at 32 miles and the final runner remaining receives a trophy.

A 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3 km up to 50 km, with lap counting for half marathon, marathon and ultra. Finishers receive a medal and a goody bag, with vegan options available.

Marked trail runs in the Black Mountains from Crickhowell, Powys, with 10, 20 and 40 mile options, stocked checkpoints, mandatory kit checks and cut off times of 5, 8 and 16 hours respectively.

Trail running at Loggerheads Country Park on 6 March 2027 with 5k, 5k canicross and a new 10km route. Varied terrain includes riverside paths, rocky sections and a stair climb of 110 steps.

Ras yr Aran is a 10 mile fell race with 3,100 feet of ascent and the final event in the Meirionnydd Winter Race Series. A junior race covers 3.25 km with 150 m ascent and a minimum age of 11. Parts of the upper course are unmarked and may r..

Participate in a multi terrain run around Trawsfynydd lake in the Eryri National Park. This charity event supports the local search and rescue team and offers a course featuring mixed tarmac and trail paths.

Beach races at Pendine Sands on 11 April 2027 offering 5k, 10k and Half Marathon on a firm, measured out and back sand course. All finishers receive a bespoke medal and trophies are awarded to category winners.

A 13.8 mile off road half marathon from the summit of Moel y Parc along the Offa's Dyke National Trail to Prestatyn beach. The hilly route includes about 2,450 ft of ascent, two feed stations and electronic timing.

SheUltra on 17 April 2027 is a 50 km event in Pwllheli, UK. Entries list a £66 fee plus 6 percent booking charge; the event requires mandatory kit, medical fitness, and operates a strict no-crew no-pacers policy.

Part of the inaugural Welsh Festival Of Running, the 100 Mile Challenge at Dare Valley Country Park gives runners 34 hours to cover 100 miles on a 5 mile loop. Entries are available for individuals and teams, with a timed 34 hour option.

A trail running event on 29 May 2027 that follows the Heart of Wales Line between Llandrindod Wells and Craven Arms, with way-marked routes and three distance options of 48, 24 and 16 miles.