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!
November 2026
A guided 10 km trail run from the Sychnant Pass summit featuring runnable terrain, regular stops and a steady group pace on an upland route.
December 2026
Night trail of 6.4 km with 229 m climb around Llandegla Forest, held under BS partially marked conditions with a compulsory safety briefing and kit including a headtorch with two hours light. Entry £5 on the day.
Marked and marshalled winter trail races at Alyn Waters with 5 km and 10 km options, chip timing, medals, and a free 1 km children's dash.
Trail races from Prestatyn seafront along Offa's Dyke offering half, full and a 55.5 km ultra finishing at Horseshoe Pass.
A night trail run of 8 km with 244 m of climb around Dinas Bran Leisure Centre in Llangollen. A good head torch is essential and online entry carries a £5 fee.
Winter trail races through Afan Forest and the Rhigos range finishing at Dare Valley Country Park. Options include a 34 mile ultra, a marathon and a linear half with marked routes, checkpoints and a compulsory kit list.
A 24 hour ultra from Llanbenwch Caravan Park with solo and three-person team options, fully marked out-and-back routes visiting five trigs totaling 94 km.
A trail half marathon near Bridgend with mixed terrain, an initial eight mile section plus about five extra miles, limited to 70 runners and a prize for Christmas fancy dress.
A festive trail race at Bwlch Penbarras with a mystery course of 6 to 12 kilometres, a canicross category, marshals and a mince pie at the finish.
A winter hill race on Skirrid with a 5.7 km course and 450 m ascent from Skirrid Inn, £10 entry and no entries on the day.
Festive family-friendly 2.5 km and 5 km runs at Dare Valley Country Park with medals, goody bags, refreshments and free parking.
Christmas Carol bobble hat run at Dare Valley Country Park with a 7 hour time challenge, multiple distance options, themed medals and goody bags.
Pre Christmas social run and walk at Conwy Falls offering a leisurely run or walk of up to 2 hours with a cafe gathering afterwards.
A 7 hour Time Challenge at Dare Valley Country Park in Aberdare offering distances from 5 km to ultra, themed medals, a bobble hat and on-course aid stations.
A short fell race on Moel Famau of about 4 km with roughly 350 m descent, finishing in Cilcain; date to be confirmed.
Timed lap based run at Barry Sidings Country Park offering distances from 5 km to ultra on a 5.3 km tarmac lap with a 7 hour limit.
A two hour night navigation event near Rosebush featuring a 16 km woodland route with 660 m climb, a pre-marked map, compulsory kit and required navigation experience. Entry is online with a £10 fee.
January 2027
A looped, electronically timed 5k at Llanbenwch near Ruthin that mixes minor roads and trails, awards category prizes, gives everyone a medal and has an onsite cafe.
Winter mountain race around Yr Wyddfa on 23/01/2027 with full 43.5 km and half 24 km options plus relay and pair formats.
A seven hour time challenge at Dare Valley Country Park offering distances from 3 km to 50 km, with medals, aid stations and vegan goody bags.