Nantgarw
Trail Running Calendar near Nantgarw 2026-2027
Explore the top trail runs near Nantgarw for 2026-2027! We've gathered 91 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
June 2027
Inflatable obstacle course in Cardiff on 26 June 2027 with 2.5k, 5k, 10k and 15k laps, giant inflatables, music zones, finisher medals and on course water.
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.
A set of runs along the Wye Valley Greenway including passage through the 1.1 km Tidenham Tunnel, starting at Wyedean School and finishing at the station.
Beacons Way Ultra offers 100 km and 100 mile races in the United Kingdom on 24 to 25 July 2027 as part of the Ultra Great Britain Race Series.
An urban navigation challenge in Cardiff where participants are blindfolded, dropped at an undisclosed location and must return across 6, 10 or 15 miles without maps or GPS.
August 2027
A 35 miles trail ultramarathon from Chepstow Castle to Monmouth and back via Offas Dyke, passing Tintern Abbey and a 1 km tunnel, finishing with live music at the Three Tuns Pub.
October 2027
SAS Endurance in Talybont-on-Usk on 1-2 October 2027 offers full 64 km and half 32 km navigational routes with guided and self navigation options.
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.