Builth Wells
Trail Running Calendar near Builth Wells 2026-2027
Explore the top trail runs near Builth Wells for 2026-2027! We've gathered 60 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.
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
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.
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.
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.
SBOC Winter League at Carn Goch near Llandeilo on 7 March 2027, a local club league event organised by SBOC and affiliated to WOA.
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
Three long mountain races around the Bannau Brycheiniog National Park starting and finishing in Brecon, with 100 km, 40 mile and marathon options and on course support.
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.
Marked trail event in the Brecon Beacons offering 10, 20 and 40 mile routes with staffed checkpoints, mandatory kit requirements and a canicross option.
May 2027
A trail ultramarathon around Llanidloes with a full 30 mile loop and a 15 mile half that crosses the Pumlumon massif and finishes at Dol Llys Farm.
Two Welsh trail ultras based in Abergavenny, offering 100 mile and 100 km routes on Offa’s Dyke, the Cambrian Way and the Beacons Way with on-course support.