Swansea
Trail Running Calendar near Swansea 2026-2027
Explore the top trail runs near Swansea for 2026-2027! We've gathered 53 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
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
Multi-distance coastal trail across North Devon and Exmoor with self navigation on the South West Coast Path and GPS tracking.
A 30 mile trail ultra in the Brecon Beacons on technical paths, with four checkpoints, compulsory kit requirements, and a six hour cut-off at the third checkpoint.
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.
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.
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.
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.
A coastal multi terrain 10 km race at Merthyr Mawr on 13 December 2026 with chip timing, a two hour cut off and a Christmas pudding memento.
Two festive runs of 2.5 km and 5 km at Dare Valley Country Park with medals, goody bags, refreshments and free parking.
A multi-distance timed challenge at Dare Valley Country Park with lap-based distances, themed medals, bobble hats, aid stations and on-course support.
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.