Mumbles
Trail Running Calendar near Mumbles 2026-2027
Explore the top trail runs near Mumbles for 2026-2027! We've gathered 46 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
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.
Memorial run in Aberfan on 18 October 2026 with flexible lap-based distances, charity donations, and a virtual participation option.
Trail races at Oxwich Bay include a self-navigated half marathon plus waymarked 10K and 5K across coastal paths, woodland and sand dunes.
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 from Merthyr Tydfil through the Brecon Beacons with four checkpoints, mandatory kit and a six hour cut-off at checkpoint three.
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.
An annual 13.6 km cross-country race around Ilfracombe featuring steep coastal paths and countryside, limited to 200 runners and held on Sunday 22 November 2026.
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.
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.
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.