Brecon
Trail Running Calendar near Brecon 2026-2027
Explore the top trail runs near Brecon for 2026-2027! We've gathered 78 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
A 7 hour time challenge at Dare Valley Country Park with flexible lap distances from 3 km to 50 km, themed medals, distance pins, goody bags and aid stations.
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.
A new out and back 10 km along the River Wye in Hereford on 28 November 2026, mainly off road with a bespoke finisher medal and post-race refreshments.
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
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 7 hour Time Challenge at Dare Valley Country Park with bobble hat medals, goody bags and distances from 3 km up to 50 km and ultra options.
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
Winter orienteering on Mynydd Llangorse with 1 hour and 2 hour score courses using MapRun and compulsory winter mountain kit.
Upland walking or running event around the Elan and Claerwen Valleys with 12 mile and 20 mile routes and required map skills.
A MapRun score event in Ystradgynlais where competitors use the MapRun app and have 60 minutes to visit as many of 30 checkpoints as possible.
Local SBOC Winter League orienteering at Aberedw Rocks on 17 January 2027 near Builth Wells, part of the club league with family friendly courses and coaching available.
Lap-based timed event on 23 January 2027 at Parc Taf Bargoed offering distances from 5 km to ultra with a 7-hour time limit and flexible rock-up starts.
A 7 hour time challenge at Dare Valley Country Park offering distances from 3 km to 50 km, medals, goody bags, aid stations and free parking.
A 9 km fell race with 550 m of ascent around Cwm Nant y Groes featuring checkpoints, a flagged anticlockwise loop and enforced full kit.
Winter ultra in the Brecon Beacons on 30 January 2027 offering 75 mile and 100 mile routes starting from Penderyn Square in Merthyr Tydfil.