Dol-y-Gaer
Trail Running Calendar near Dol-y-Gaer 2026-2027
Explore the top trail runs near Dol-y-Gaer for 2026-2027! We've gathered 104 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Fully marked trail races at Margam Park including a half marathon and a 10k, running through woodland, parkland and the deer park with coastal views; entries include parking, timing, a medal and download photos.
Trail Half Marathon Wales at Margam Country Park on 14 November 2026 features fully marked forest races over 21.1 km and 10.2 km with checkpoints and included parking.
The Smurf Run at Dare Valley Country Park is a seven hour Time Challenge on well maintained park paths, with distances from 3 km up to 50 km. Finishers receive themed medals, distance pins and a goody bag with vegan options.
A 5.7 km fell race in Llanfoist with 485 m ascent, limited to 120 runners; entry fees £6/£4 and no entries on the day.
Two trail distances on 28 November 2026 around Machen, featuring wooded single track, ridgeway exposure and steep climbs. The half course is fully marked while the marathon requires self navigation with marshals at key points.
Lap-based timed event at Parc Taf Bargoed on 28 November 2026 offering flexible distances from a 5.3 km lap up to ultra, with medal and no medal entry options.
Final race of the 2026 RTT Series in Afan Forest offering 5 km and 10 km trail routes with chip timing, medals and water stations at Bryn Bettws Lodge.
December 2026
MapRun Navigate the Night in Port Tennant near Swansea on 09 Dec 2026 is a free SBOC activity with GPS and virtual course options and wheelchair access.
A just over 6 mile December dune race at Merthyr Mawr with a midrace mulled wine and mince pie stop and organised charity fundraising.
Free club time trial on 16 December 2026 at Penllergare Valley Woods with staggered starts on 5 km and 2 km courses.
Skirrid Xmas Hill Race is a 5.7 km fell race with 450 m ascent near Llanvihangel Crucorny on 19 December 2026; entry £10, no entries on the day.
A family-friendly festive run at Dare Valley Country Park offering 2.5 km and 5.0 km routes, themed medals, a visit from Santa, and seasonal refreshments.
A Bobble Hat Run at Dare Valley Country Park with a 7 hour Time Challenge, themed medals, distance pins, aid stations and free parking.
Christmas-themed orienteering at Crymlyn Burrows near Swansea with two pre-marked courses (2 km orange, 4 km green); fancy dress is encouraged and prizes awarded.
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.
January 2027
Mini Mountain Marathon Cymru is a local cross country event at Mynydd Llangorse near Brecon on 3 January 2027, with family-friendly options and GPS courses.
Free MapRun Navigate the Night in Ystradgynlais on 13 January 2027, organised by SBOC and open to families, newcomers and wheelchair users.