Llantwit Major
Trail Running Calendar near Llantwit Major 2026-2027
Explore the top trail runs near Llantwit Major for 2026-2027! We've gathered 70 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A trail half marathon through the Quantock Hills with technical trails, climbs, stiles and stream crossings. The route has marshals, two feed stations and clear signage, with awards for top finishers and weekend camping and bunkhouse options.
A 50 mile LDWA qualifier in Crowcombe on 10 to 11 October 2026, run as two loops onto the Brendon Hills and the Quantocks; entries require a recent 30 mile completion.
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.
Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.
Day one of a two day mountain marathon at Westermill Farm, Exford, featuring a 40 km course with 1800 m of climb. Teams of two must pre-enter and the entry fee covers both race days and campsite.
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 to Twmbarlwm with about 1000 ft elevation, organised by Fairwater Runners Cwmbran at Risca Leisure Centre on 01 Nov 2026.
Coastal ultra events on the South West Coast Path offering self-navigation and GPS tracking across distances from 38 km to 110 miles.
30 mile ultra through the Brecon Beacons, climbing to Pen y Fan with 3750 ft gain, five checkpoints and a six hour mid race cut off; limited to 200 entries on 7 Nov 2026.
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 runs in Margam Country Park and Forest on 14 November 2026, offering a fully marked half marathon and 10k on forest trails with checkpoints, safety cover, and included car parking.
Timed lap event in Cardiff Bay offering flexible start times and distances from one 5.3 km lap up to multi lap ultra within a 7 hour limit.
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.
Off road hill race around Brent Knoll in Somerset on 22 November 2026, about 6 miles with steep climbs, mud and panoramic views; finishers receive a unique medal.
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