Wales
Trail Running Calendar Wales 2026-2027
Explore the best trail runs in Wales for 2026-2027! Our updated list features 184 exciting trail runs across the region. Find your next trail run in Wales below and join the trail community at these great events!
June 2027
A 51 mile mountain and trail race in Southern Snowdonia with 2,898 m ascent, six checkpoints, mandatory kit and a 20 hour cut-off.
Inflatable obstacle course in Cardiff on 26 June 2027 with 2.5k, 5k, 10k and 15k laps, giant inflatables, music zones, finisher medals and on course water.
July 2027
A 300 mile ultra along the Cambrian Way from Conwy, UK, with about 74,000 ft of ascent and up to 7.5 days to complete a nonstop route across central Wales.
A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.
Multi-distance trail running in Eryri from Llanberis, with 10K, half, marathon and 58 km ultra plus an event village, on-course support and bilingual services.
Multi-distance trail event on the Gower Peninsula with camping at Penrice Castle, GPS tracking, regular rest stops and medical support across 100km to 10-mile options.
Trail races on the private Merthyr Mawr Estate with a 12K, half marathon and marathon across dunes, river crossings and the Glamorgan Heritage Coast.
A 15.35 km mountain race on 17 July 2027 with 994 m of ascent; entrants must be over 18 and have mountain running experience.
A navigation-free challenge in Aberystwyth where participants are blindfolded, dropped at an undisclosed point and must find their way back over set distances.
Beacons Way Ultra offers 100 km and 100 mile races in the United Kingdom on 24 to 25 July 2027 as part of the Ultra Great Britain Race Series.
Mountain running in Eryri's Ogwen Valley offering three distances, marked technical trails, on-course support and chip timing at Plas y Brenin, Capel Curig.
An urban navigation challenge in Cardiff where participants are blindfolded, dropped at an undisclosed location and must return across 6, 10 or 15 miles without maps or GPS.
Two marked and marshalled trail races from Storey Arms on 25 July 2027 offering 5 mile and 13 mile routes that reach the Pen Y Fan summit.
August 2027
An ultrarunning event on the Wales Coast Path from Barmouth to Cardigan with 100 mile and 100 km options, live tracking, checkpoints and a 50 hour limit.
A 35 miles trail ultramarathon from Chepstow Castle to Monmouth and back via Offas Dyke, passing Tintern Abbey and a 1 km tunnel, finishing with live music at the Three Tuns Pub.
September 2027
Divona 100 in Rhayader, LD6, UK is scheduled for Sat 11 Sep 2027 and the event listing includes entry details, reviews, discounts, photos, course maps and results.
October 2027
SAS Endurance in Talybont-on-Usk on 1-2 October 2027 offers full 64 km and half 32 km navigational routes with guided and self navigation options.
February 2028
A 27 mile point to point ultra from Rhyd-y-benwch to Mid Wales Arts Centre via Plynlimon and the Severn source, with two checkpoints and vegan and gluten free options.
A five day ultramarathon along the River Severn of roughly 220 miles with daily finisher medals, hotel accommodation, kit transfer and mandatory navigation and safety kit.
A 48 mile point to point ultra from Mid Wales Art Centre to Shrewsbury following the River Severn, with four checkpoints, vegan and gluten free food options, required 4.0 mph minimum pace and a bespoke finisher medal.