Cosmeston Lakes Coun..
Trail Running Calendar near Cosmeston Lakes Country Park 2026-2027
Explore the top trail runs near Cosmeston Lakes Country Park for 2026-2027! We've gathered 92 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.
Flat races along former railway and riverside paths through the Wye Valley, featuring long tunnel sections, multiple feed stations and a choice of fun runs, 10km, half and marathon.
A 100 mile route across the Brecon Beacons on 24 July 2027 with 6143m ascent, 10 checkpoints, compulsory map and compass navigation and live GPS tracking.
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.
Coastal trail races along the Wales Coast Path with 100 mile, 50 mile and 50 km options finishing at the Norwegian Church in Cardiff Bay.
August 2027
Trail runs at Fyne Court Estate with 5 km and 10 km options, optional wooden finisher medals and a focus on reducing event waste.
Traffic free 5K and 10K trail runs with dedicated 5K and 10K Canicross options around Wimbleball Lake as part of a weekend multisport festival.
A 35 mile ultra trail from Chepstow Castle to Monmouth and back via Offas Dyke, passing Tintern Abbey, a 1 km tunnel and finishing with live music.
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.