Cosmeston Lakes Coun..
Trail Running Calendar near Cosmeston Lakes Country Park 2026-2027
Explore the top trail runs near Cosmeston Lakes Country Park for 2026-2027! We've gathered 92 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
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.
A 30 mile mountain ultra across the Brecon Beacons with five checkpoints, mandatory kit and 3750 ft / 1143 m of ascent.
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.
A Movember charity run at Ashton Court Park offering 1.5k, 5k, 10k and half marathon options with chip timing, medals and headbands, mixed path and trail terrain, some hilly sections, and on course refreshments.
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.
A short 5.7 km fell race at Blorenge near Abergavenny with steep, technical ascent and descent and basic navigation required.
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.
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.
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
Festive family-friendly 2.5 km and 5 km runs at Dare Valley Country Park with medals, goody bags, refreshments and free parking.
A 7 hour Time Challenge at Dare Valley Country Park in Aberdare offering distances from 5 km to ultra, themed medals, a bobble hat and on-course aid stations.
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.