Brecon
Trail Running Calendar near Brecon 2026-2027
Explore the top trail runs near Brecon for 2026-2027! We've gathered 71 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A seven hour Time Challenge at Dare Valley Country Park offering distances from 3km to 50km, themed finisher medals and distance pins, on course aid with vegan options, and basic venue facilities including toilets and free parking.
Memorial run in Aberfan on 18 October 2026 with flexible lap-based distances, charity donations, and a virtual participation option.
A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.
Mountain trail races across the Brecon Beacons and Black Mountains offering distances from 21 miles to 100 miles with GPS navigation and staffed checkpoints.
A 9.6 km fell race with 485 m ascent near Abergavenny on 31 October 2026; full WFRA kit is required and parking at the pub is very limited.
Timed lap event at Barry Sidings Country Park with flexible start times, distances from 5 km to ultra on a tarmac out and back course and a medal or no medal option.
November 2026
Approximately 7 mile multi-terrain race from Risca Leisure Centre to Twmbarlwm and back, with about 1000 ft ascent; entries listed via Entry Central.
Mixed trail, mountain, canal and road runs around the Brecon Beacons on 7 November 2026, offered at 50 miles, 26 miles and 13 miles.
A 30 mile trail ultra from Merthyr Tydfil through the Brecon Beacons with four checkpoints, mandatory kit and a six hour cut-off at checkpoint three.
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 of ascent, limited to 120 runners and supporting local woodland restoration.
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.
Timed lap event at Rhydycar, Merthyr Tydfil on 29 November 2026 with distances from 5 km to ultra on a certified tarmac course.