8k Run St Austell: Scenic Wheal Martyn Trail Experience

Route Overview & Local Insights

Clocking in at just under 8km, this out-and-back journey from Tremena Road offers a fantastic mix of steady climbing and rewarding descents. With a 143m ascent concentrated in the heart of the run, you’ll definitely feel the burn as you push toward the Sky Spur loop. The terrain is largely paved (90%), making it an ideal choice for road shoes, though the 10% of mixed trail adds a touch of rugged Cornish character. Runners can expect a moderately challenging "Level 3" hilly workout that perfectly balances accessible footing with the elevation needed to get the heart pumping.

Running through the St Austell Clay Country is like traversing a living museum of Cornwall's industrial heritage. As you follow the Wheal Martyn Trail, you are moving through the historic heart of the "White Gold" industry. The highlight of the route is the Sky Spur, where the elevation pays off with breathtaking panoramic views over the clay pits and the iconic "Cornish Alps"—huge man-made spoil heaps that have reshaped the horizon. It’s a unique landscape where nature is reclaiming vast industrial footprints, providing a dramatic backrop for a morning session or a weekend long run.