Wales
Trail Running Calendar Wales 2026-2027
Explore the best trail runs in Wales for 2026-2027! Our updated list features 163 exciting trail runs across the region. Find your next trail run in Wales below and join the trail community at these great events!
February 2027
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.
Trail running 5k and 10k near Cardiff on marked multi terrain routes with medical support, marshals, finisher medals and category trophies.
Celebrate St Davids Day with a 2.5km or 5km run through the scenic Dare Valley Country Park on well maintained paths with medals for all finishers.
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.
Point to point half marathon across the Llŷn Peninsula from Cwt Tatws, Tudweiliog to Aberdaron on 28 February 2027, chip timed with aid stations and medical cover.
March 2027
Trail running event in the Black Mountains with marked 10, 20 and 40 mile routes from Crickhowell, marshals, stocked checkpoints and strict mandatory kit requirements; canicross friendly and GPX routes available.
Trail races at Loggerheads Country Park on 6 March 2027 with 5k, 5k Canicross and a new 10km across riverside paths, rocky sections and many steps.
Trail festival at Brynkinalt Estate near Wrexham with 5k and 10k races, canicross, water stations, and a charity partner.
A 32 mile point to point ultra from Powis Estate in Welshpool to Caffi Wylfa in Chirk on 13 March 2027, with aid stations, finishers plate and prizes.
A 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km to 50 km, themed medals, goody bags and aid stations.
Trail races at Nant Yr Arian in the Cambrian Mountains with 25 km and 10 km routes, junior races, waymarked courses and feed stations.
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
April 2027
Three long distance mountain races in Brecon through Bannau Brycheiniog National Park, with Marathon, 40 mile and 100 km routes featuring navigation, checkpoints and mountain support.
Trail and road running in Monmouth with hilly terrain, stiles, scenic views, well stocked aid stations and strong volunteer support, organised by Stable Adventures.
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.
A 13.8 mile off road half marathon from Moel y Parc summit along Offa's Dyke to Prestatyn beach, with 2450 ft ascent, two feed stations and electronic timing.
A 200 mile point to point trail race across South Wales from Chepstow to Worm's Head with 30,000 ft climbing, eight aid stations and a 120 hour finish limit.
SheUltra is a 50 km ultramarathon in Pwllheli on 17 April 2027 with a strict no crew policy, mandatory kit requirements, and specific refund and insurance rules.