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.
July 2027
Trail races on the private Merthyr Mawr Estate with a 12K, half marathon and marathon across dunes, river crossings and the Glamorgan Heritage Coast.
September 2027
November 2027
A mountain ultramarathon of 30 miles across the Brecon Beacons on 6 November 2027, based in Georgetown, Merthyr Tydfil, with marshals, checkpoints and mandatory kit checks.
July 2028
A single day ultra of about 39.7 miles along National Cycle Route 8 from Glasbury to Merthyr Tydfil. Limited field, mandatory kit and 4.0 mph cut offs; finishers receive an Afanc medal and champions receive bespoke trophies.
A point to point 34.8 mile ultra from Merthyr Tydfil to Barry Island following National Cycle Route 8. It is day six of the MTC CYMRUN series and uses preset cut offs based on a 4 mph minimum average speed.
November 2028
Llyn y Fan is an 8.8 km fell race with 610 m ascent on 14 November 2028, entry £7 via Fabian4, age over 16 and a 50 runner limit.