Cardiff Bay
Trail Running Calendar near Cardiff Bay 2026-2027
Explore the top trail runs near Cardiff Bay for 2026-2027! We've gathered 103 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
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 60 lap run at Queen Square marking men’s mental health month and raising funds for Talk Club in Bristol.
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 at Brent Knoll, about 6 miles with a steep summit climb, muddy trails and 569 ft of ascent; finishers receive a medal and refreshments at the sportsground.
A 5.7 km fell race in Llanfoist with 485 m of ascent, limited to 120 runners and supporting local woodland restoration.
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
Military themed timed run at Barry Sidings Country Park on 6 December 2026 with lap based distances, medals, aid station and a seven hour limit.
Skirrid Xmas Hill Race is a 5.7 km fell race with 450 m ascent near Llanvihangel Crucorny on 19 December 2026; entry £10, no entries on the day.
Festive 2.5 km and 5 km runs at Dare Valley Country Park on 19 December 2026 with medals, goody bags, aid station and free parking.
Seven hour Time Challenge at Dare Valley Country Park with distances from 5 km to ultra, themed medal, bobble hat and a goody bag for finishers.
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.
A free, untimed community run along the canal between Bridgwater and Taunton with 14 and 7.5 mile options. Registration is required and basic medical cover will be available.
January 2027
Lap-based timed event in Rhydycar, Merthyr Tydfil with a 5.3 km tarmac lap, distances from 5 km to ultra, timed over seven hours and a no-medal entry option.
A January off road 9.6 mile run across trails, fields and woodland with about 80 percent off road terrain. The event uses chip timing, has one water station at Littleton upon Severn and a 2.5 hour expected run time limit.