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!
April 2027
An 8.6 mile multi terrain race around Trawsfynydd Lake on 4 April 2027, chip timed with proceeds to South Snowdonia Search and Rescue.
Beach races at Pendine Sands on 11 April 2027 featuring 5k, 10k and half marathon on firm sand, cup free water stations and charity fundraising options.
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.
Timed lap event in Cardiff Bay on 11 April 2027 offering distances from a single 5.3 km lap up to ultra within a seven hour limit.
A 29 km fell race in Llangollen on 11 April 2027 with 1100 m ascent; pre entry and day entry cost £18, minimum age 18.
A point to point 200 miles trail race across South Wales from Chepstow to Worm's Head, with a 120 hour limit, 30,000 ft climb, eight aid stations and live tracking.
An all female 50 km ultra on the Llyn Peninsula on 17 April 2027 that raises funds and awareness for women’s cancer research with no cut offs.
Marked trail event in the Brecon Beacons offering 10, 20 and 40 mile routes with staffed checkpoints, mandatory kit requirements and a canicross option.
A point to point mixed‑terrain ultra in Pembrokeshire of about 50 to 53 miles across the Preseli Hills, woodland and coastal path with checkpoints and multiple aid stations.
A last-person-standing Backyard Ultra at the Medieval Village, Cosmeston Lakes: runners repeat a fixed 6706 m loop each hour until one athlete completes one more loop than anyone else. Camping and on-site facilities are provided.
Coastal ultra routes from Prestatyn to Bangor with 50 km (54.8 km) or 100 km options, aid stations, tracking, chip timing and mandatory kit checks.
Coastal trail event at Little Haven on 24 April 2027 offering 10K, half marathon, marathon and ultra over mixed coastal terrain with significant ascent.
Trail half marathon around Aberdyfi with 850 m of ascent, sections of the Dyfi Biosphere, and a marathon option over two laps.
A 40 mile towpath event from Malpas to Brecon on 24 April 2027 with three aid stations, volunteer Canal Crew support and a 15 hour cutoff.
Timed multi distance event on a 5.3 km Cardiff Bay lap with options from 5 km to ultra, a seven hour limit and flexible start times.
A 7 hour Time Challenge at Dare Valley Country Park with distances from 3 km to ultra, medals, goody bags, aid stations and free parking.
Trail endurance event at OnePlanet Adventure in Llandegla with repeated 5.33 km laps and over 140 m ascent each hour until one runner remains.
May 2027
A 5 km obstacle event at Coopers Field Bute Park Cardiff with mixed tarmac and grass underfoot, staggered wave starts, on course marshals and fundraising support.