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!
July 2027
Guided mountain run over the 15 Welsh 3,000 ft peaks across Snowdon, Carneddau and the Glyderau, roughly 50 km with 4,000 m ascent; transport, guide and food included.
A navigation-free challenge in Aberystwyth where participants are blindfolded, dropped at an undisclosed point and must find their way back over set distances.
A 100 mile self-navigation ultramarathon across the Brecon Beacons with 6143 m ascent, 10 checkpoints, strict qualifying criteria and a 40 hour cut off.
Mountain races in Eryri's Ogwen Valley offering 40K, 25K and 15K routes from Plas y Brenin with marked trails, on course support and chip timing.
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.
A two day trail ultramarathon in the Brecon Beacons near Abergavenny with distances up to 100 miles, on site camping, and UTMB index status.
A self-navigated 100 km across the Brecon Beacons with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and a 24-hour cut-off.
Coastal trail running from Freshwater East to Saundersfoot on 24 July 2027, with 14 km and 25 km options and entries from £35.
A guided traverse of all 14 Snowdonia peaks over 3000 ft covering about 50 km and 4000 m ascent with run and walk pace options.
Mountain running event to the summit of Pen y Fan in the Brecon Beacons on 25 July 2027, offering 5 mile and 13 mile routes with paid entry options.
Three coastal ultramarathons on the Wales Coast Path finishing at the Norwegian Church in Cardiff Bay, offered over 100 miles, 50 miles and 50 km.
August 2027
Backyard ultra on the Llŷn Peninsula where runners complete an hourly loop and continue as long as they wish, with free camping and a Black Sheep medal included.
Mountain trail races from Talybont-on-Usk in the Brecon Beacons with 51 km and 24 km options, cupless aid stations, chip timing and a mandatory briefing.
A coastal half distance route from Stackpole to Tenby on 7 August 2027, mostly trail with sea views, checkpoints, and required navigation and safety kit.
Coastal ultramarathons on the Wales Coast Path offering 100 km and 100 mile options with marked checkpoints, significant elevation, mandatory safety kit, drop bags and live tracking.
Coastal point to point runs from Aberdovey offering a 42 mile ultra to Harlech or a marathon to Barmouth, with four checkpoint feeds and a 12 hour time limit.
A 12 or 24 hour hill and trail event on Moel Famau using a 7.2 km loop with 500 m ascent per lap, open to solo runners, walkers and teams with on site camping and support.
Two point to point ultras along the Cambrian Way from Llanthony or Abergavenny to Cardiff with live tracking and indoor aid stations.
A multi-distance running event in Tywyn, Mid-Wales on 21 August 2027 with races from 3.5 to 14 miles and a toddlers option.
Timed laps of a 5.3 km out and back course at Barry Sidings Country Park on 22 August 2027, with distances from 5 km up to ultra and a seven hour limit.