Builth Wells
Trail Running Calendar near Builth Wells 2026-2027
Explore the top trail runs near Builth Wells for 2026-2027! We've gathered 42 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
April 2027
Three circular mountain trail races from Brecon through the Brecon Beacons offering marathon and two ultra distances with marked routes, checkpoints and GPS files.
Marked trail event in the Brecon Beacons offering 10, 20 and 40 mile routes with marshalled checkpoints, GPX routes and a mandatory kit list.
The HOWUM in Llanidloes on May 1, 2027 offers Full and Half event options; entries are currently marked sold out with a waitlist listed.
May 2027
A Welsh trail event with 100 mile and 100 km routes along Offa's Dyke Cambrian Way and Beacons Way, supported by aid stations and volunteer crews.
Looped mountain trail in the Brecon Beacons on 15 May 2027 offering a Marathon and a 10 Mile route across Pen y Fan, Fan y Big and Tor y Foel.
A fully supported trail running event in May 2027 along the way-marked Heart of Wales Line Trail from Llandrindod Wells to Craven Arms, offered in 50 miles, 26 miles, and 16 miles distances.
June 2027
A 15 mile point to point trail race along Offa's Dyke between Hay-on-Wye and Kington with water stations, relay teams and timed cut off checkpoints.
July 2027
A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.
A 100 mile route across the Brecon Beacons on 24 July 2027 with 6143m ascent, 10 checkpoints, compulsory map and compass navigation and live GPS tracking.
Multi-day trail ultramarathon in the Brecon Beacons near Abergavenny, offering races from 12 km up to 100 miles on rugged routes and UTMB indexed categories.
A 100 km race across the Brecon Beacons with 3178 m ascent, six checkpoints and a 24 hour limit; map and compass navigation plus prior ultramarathon experience are required.
September 2027
Divona 100 in Rhayader, LD6, UK is scheduled for Sat 11 Sep 2027 and the event listing includes entry details, reviews, discounts, photos, course maps and results.
October 2027
SAS Endurance in Talybont-on-Usk on 1-2 October 2027 offers full 64 km and half 32 km navigational routes with guided and self navigation options.
February 2028
A 27 miles point to point ultra from Plynlimon to Caersws tracing the Severn source, with two checkpoints, GPX navigation recommended and a mandatory kit list.
A five day ultramarathon along the River Severn of roughly 220 miles with daily finisher medals, hotel accommodation, kit transfer and mandatory navigation and safety kit.
A 48 mile point to point ultra from Mid Wales Art Centre to Shrewsbury following the River Severn, with four checkpoints, vegan and gluten free food options, required 4.0 mph minimum pace and a bespoke finisher medal.
July 2028
A single day ultra of about 39.7 miles along National Cycle Route 8 from Glasbury to Merthyr Tydfil. Limited field, mandatory kit and 4.0 mph cut offs; finishers receive an Afanc medal and champions receive bespoke trophies.