Merthyr Mawr
Trail Running Calendar near Merthyr Mawr 2026-2027
Explore the top trail runs near Merthyr Mawr for 2026-2027! We've gathered 93 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2027
Traffic free trail runs and canicross around Wimbleball Lake in Exmoor with 5K and 10K options plus junior and dog races.
September 2027
SBOC Autumn Sprint Series #1 at Tircoed near Swansea on 1 Sep 2027 is a local club event with coaching available and facilities noted as suitable for families and newcomers.
Local orienteering sprint at Baglan Moors on 15 Sep 2027, part of SBOC Autumn Sprint Series #3 and Summer League 7, with coaching available and no dogs allowed.
Club league orienteering at Clyne Valley near Swansea on 18 September 2027, organised by SBOC with coaching available and no dogs permitted.
SBOC Autumn Sprint Series #4 at Mumbles near Swansea on Wed 22 Sep 2027 features mapped sprint courses, family friendly provisions and coaching available.
October 2027
Trail half marathon across the Quantock Hills with technical trails, steep climbs, stream crossings and two feed stations near Kilve Court.
November 2027
A 30 mile trail ultra through the Brecon Beacons from Merthyr Tydfil, with technical terrain, four checkpoints and a six hour cut-off at checkpoint three.
A timed event at Dare Valley Country Park offering flexible distances, a themed Remembrance medal, distance pins, aid stations, and free on site parking.
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.