Wales
Trail Running Calendar Wales 2026-2027
Explore the best trail runs in Wales for 2026-2027! Our updated list features 193 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
Mountain to city winter running events from Brecon to Cardiff featuring a 75 km ultra and a 26.2 mile marathon with unmarked mountain navigation and checkpoint support.
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.
An approximately 8-mile multi terrain race around Sorbrook and Sluvad near Cwmbran with marshalled routes, medical cover, goody bags and age-category prizes.
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.
Fell race in Dolgarrog, North Wales on 27 Feb 2027, covering 6.7 km with 390 m ascent; pre-entry and on-the-day entry available, minimum age 16.
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.
A point to point 21 km on Dydd Gŵyl Dewi across the Llŷn Peninsula from Cwt Tatws, Tudweiliog to Aberdaron via coastal paths and pilgrim routes.
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 offering 5 km and 10 km races with a separate canicross day, on private estate land and with designated parking.
Trail races from Chepstow along the Wye Valley Walk and Offa's Dyke Path, offered as WYVUM 30 and a 14.5 mile WYVUM HALF.
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.
Trail races in Brechfa Forest on 13 March 2027 using a 13 mile loop for half marathon or marathon with marked routes, aid stations, medical support and finish medals.
A 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km up to 50 km with themed medals, goody bags, aid stations and on course support.
Trail races in the Cambrian Mountains on 20 March 2027 offering 25 km and 10 km routes, junior races, signed courses, and mandatory kit requirements.
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
Timed, lap based event at Barry Sidings Country Park on 21 March 2027 offering distances from 5 km to ultra on a 5.3 km out and back lap with a seven hour limit.
April 2027
Mountain trail races in the Brecon Beacons on 2 to 3 April 2027, featuring 100 km, 40 mile and marathon courses with marked routes and checkpoints.
A trail running event in Monmouth in April 2027 with full and half options, a hilly scenic course and strong on course support rated highly by past participants.