Trail Running Calendar Wales 2026-2027

We have found 180 Trailruns in Wales. Check below where and when you can find the races.

Winter mountain race around Yr Wyddfa on 23/01/2027 with full 43.5 km and half 24 km options plus relay and pair formats.

A seven hour time challenge at Dare Valley Country Park offering distances from 3 km to 50 km, with medals, aid stations and vegan goody bags.

February 2027

A Backyard Ultra near Crickhowell mixing 50/50 trail and tarmac on a 4.167 mile loop, eleven timed laps then a final race to decide the winner.

A winter mountain trail event from Brecon to Cardiff featuring a 47.5 mile ultra over 11 summits and a 26.2 mile marathon from Merthyr, both on unmarked routes with GPS navigation and staffed checkpoints.

A one way, fully marked 70k ultramarathon along the Taff Trail from Brecon to Nantgarw. The route moves from mountain landscapes to former industrial valleys and includes coach transfer to the start, checkpoints and live GPS tracking.

A 7 hour time-challenge at Dare Valley Country Park offering looped distances from 3 km up to ultra, with medals, distance pins, goody bags and on-course aid.

The North Wales Pilgrims Half Marathon will take place in Morfa Nefyn on Sunday 28 February 2027. You can run 21 kilometers.

March 2027

Ultra trail in Crickhowell on 6 March 2027 with 10, 20 and 40 mile routes, fully marked courses, GPX files and canicross friendly entries.

Trail races at Loggerheads Country Park in March 2027 offering 5k, 5k canicross and a new 10km route. Varied terrain, riverside paths and a staircase section add distinctive challenges.

A weekend trail festival at Brynkinalt Estate near Wrexham offering approx 5k and 10k races, canicross on Saturday and trail running on Sunday, with water stations, medals and awards.

A 32 miles ultramarathon from Powis Estate in Welshpool to Caffi Wylfa in Chirk on 13 March 2027, with aid stations, finishers plate, and a minimum age of 20.

Trail races at Nant Yr Arian in the Cambrian Mountains with 25 km and 10 km routes, junior races, waymarked courses and feed stations.

April 2027

Three long distance mountain trail races start and finish in Brecon, following circular routes through the Brecon Beacons National Park. Distances range from a marathon to a 100 km ultra with marked routes, checkpoints and compulsory kit re..

The Pegasus - The BOWUM will take place in Monmouth on Friday 2 April 2027.

An 8.6 mile multi terrain race around Trawsfynydd Lake on mixed tarmac and trails with 175 m ascent, chip timed and marshalled. Proceeds support South Snowdonia Search and Rescue; open to athletes aged 17 and over.

The Pendine Sands Races stage beach out-and-back events over 5k, 10k and a half marathon on firm sand, with flagged distances, cup-free water stations, bespoke finisher medals and category trophies.

Summit 2 Sea is a roughly 13.8 mile trail half marathon from Moel y Parc along the Offa's Dyke National Trail to Prestatyn beach. The route includes over 2450 ft of ascent, two feed stations and specified mandatory kit.

A 200 mile point to point trail race across South Wales from Chepstow to Worm’s Head, with a 120 hour limit, live runner tracking, eight aid stations and organised drop bag support.

A 50 km women focused event in Pwllheli on 17 April 2027 with a strict no-crew policy, minimum age 18, limited refund rules, and recommended third-party insurance.

Traverse the mountains and forests of the Brecon Beacons National Park with 10, 20, or 40 mile trail options. Enjoy a fully marked course and well stocked checkpoints in this canicross friendly mountain challenge.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.