Builth Wells
Trail Running Calendar near Builth Wells 2026-2027
Explore the top trail runs near Builth Wells for 2026-2027! We've gathered 62 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Around 9 miles of multi terrain trails near Bishop's Castle with about 1700 ft ascent, chip timing, marked route and some dog friendly sections.
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.
Timed lap event at Rhydycar, Merthyr Tydfil on 29 November 2026 with distances from 5 km to ultra on a certified tarmac course.
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.
January 2027
Lap-based timed event in Rhydycar, Merthyr Tydfil with a 5.3 km tarmac lap, distances from 5 km to ultra, timed over seven hours and a no-medal entry option.
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.
Upland walking or running event around the Elan and Claerwen Valleys with 12 mile and 20 mile routes and required map skills.
SBOC Winter League 6 is a local club league event at Aberedw Rocks near Builth Wells on 17 Jan 2027, family friendly with coaching available and no dogs allowed.
Winter ultra in the Brecon Beacons on 30 January 2027 offering 75 mile and 100 mile routes starting from Penderyn Square in Merthyr Tydfil.
February 2027
A Backyard Ultra near Crickhowell on 6 February 2027 featuring repeated 4.2 mile loops, a reversed final race lap, trophies for final lap winners and medals from 32 miles.
March 2027
Trail running event in the Black Mountains with marked 10, 20 and 40 mile routes from Crickhowell, marshals, stocked checkpoints and strict mandatory kit requirements; canicross friendly and GPX routes available.
Local club orienteering at Carn Goch near Llandeilo on 7 March 2027, suitable for families and newcomers with coaching available and no dogs allowed.
BC10k Trail on 14 March 2027 in Bishop's Castle is a 10 km off road route across Shropshire footpaths with chip timing, marshals, GPX file and no cut off time.
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
April 2027
Mountain trail races in the Brecon Beacons on 2 to 3 April 2027, featuring 100 km, 40 mile and marathon courses with marked routes and checkpoints.
A trail half marathon through the Clun Valley with wooded singletrack, stream crossings and just over 2,000 feet of climb; chip timing, dog friendly and no cut off time.