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!
June 2027
Multi distance trail races along the Pembrokeshire Coast Path finishing at Dale with camping, checkpoints, GPS tracking and coastal scenery.
Ultramarathon from Chepstow with 100 mile and 100 km options, about 10,000 ft of climbing and a 50 hour finish limit.
A point to point 42KM trail along the North Wales Pilgrims Way from Yr Eifl to Aberdaron, open to runners and walkers with support, checkpoints and a finisher medal.
Military themed D Day series run at Parc Taf Bargoed with 5.3 km laps; choose distances up to ultra within a seven hour time limit and earn commemorative medals.
A race in Llanwrtyd Wells on 12 June 2027 that pits runners against horses, with electronic timing, enforced cut-offs and a rolling jackpot for any runner who beats the first horse.
Magic Roundabout is a 10k trail race on 13 June 2027 near Hay-on-Wye in the Begwyn hills, with hilly terrain and post-race hot and cold refreshments.
A five-mile mixed-terrain race through Porthkerry Country Park with varied surfaces, two climbs, age-group prizes and a 1 hour 15 minute time limit.
Ultra Wales 50 is a 51 mile mountain and trail race in Southern Snowdonia on 19 June 2027 with 6 checkpoints, a 20 hour cut off and mandatory kit requirements.
An inflatable obstacle-course fun run at Heath Park Cardiff on 26 June 2027 with lap-based distances from 2.5k to 15k and giant inflatable obstacles.
July 2027
Coastal trail event on the Llŷn Peninsula offering a point to point 50 km ultra and a 25 km trail with event support and finisher medals.
A 300 mile nonstop ultra along the Cambrian Way with 78,740 ft of ascent, 11 aid stations, running from Cowny to Cardiff over 8.5 days.
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.
Trail races in Eryri (Snowdonia) from 10K to 56.6 km, starting and finishing in Llanberis with an event village, chip timing and a kids 500 m fun run.
A 16.5 kilometre mountain race in Llanfrynach on 10 July 2027 with 670 m ascent, WFRA BM classification, a 75 minute summit cut off and mandatory map and compass.
A mountain race up Pen y Fan near Brecon covering 5.8 km with 588 m ascent, limited advance entry and mandatory windproof kit and navigation gear.
Multiple-distance trail event on the Gower Peninsula with camping at Penrice Castle, marquee rest stops, GPS tracking and options from 10 miles to 100 km.
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.