Merthyr Tydfil
Trail Running Calendar near Merthyr Tydfil 2026-2027
Explore the top trail runs near Merthyr Tydfil for 2026-2027! We've gathered 83 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
A short fell race of 5.7 km with 485 m of climb on Blorenge near Llanfoist, Abergavenny. Mostly unmarked up-and-down route with steep technical terrain; basic navigation and full kit are recommended.
Timed multi-lap event at Parc Taf Bargoed offering distances from a single 5.3 km lap up to an ultra, with bespoke medals and a no medal entry option.
The final race of the 2026 RTT Series takes place in Afan Forest with separate 5 km and 10 km routes from Bryn Bettws Lodge. The event features chip timing, finisher medals, marked and marshalled routes and water stations.
A lap based road event at Rhydycar, Merthyr Tydfil, on a 5.3 km AUKCM certified tarmac circuit along the Taff Trail. Runners choose how many laps to complete within a seven hour limit and can opt for a no medal entry.
December 2026
A trail half marathon near Bridgend with mixed terrain, an initial eight mile section plus about five extra miles, limited to 70 runners and a prize for Christmas fancy dress.
A winter hill race on Skirrid with a 5.7 km course and 450 m ascent from Skirrid Inn, £10 entry and no entries on the day.
Festive family-friendly 2.5 km and 5 km runs at Dare Valley Country Park with medals, goody bags, refreshments and free parking.
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
February 2027
A Backyard Ultra near Crickhowell mixing 50/50 trail and tarmac on a 4.167 mile loop, eleven timed laps then a final race to decide the winner.
A 43 mile point to point ultra from the Brecon Beacons to Nantgarw near Cardiff, following the Taff Trail through upland reservoirs and former railway and canal corridors. Five manned checkpoints and a midway drop bag at Merthyr are provided.
March 2027
Ultra trail in Crickhowell on 6 March 2027 with 10, 20 and 40 mile routes, fully marked courses, GPX files and canicross friendly entries.
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 distance mountain trail races start and finish in Brecon, following circular routes through the Brecon Beacons National Park. Distances range from a marathon to a 100 km ultra with marked routes, checkpoints and compulsory kit requirements..