11/09/2026
You won’t find much conversation in these classes. Not because we’re antisocial, but because when the rest comes, you’re going to need every second of it.
The aim is simple. Work hard, control your heart rate, recover quickly, then go again.
The rounds are tough. The rest is short. And that’s exactly where the fitness gets built.
It might not sound like the most exciting session on paper, but once you’re in it, you’ll understand why ERG / THRESHOLD is becoming one of our favourite ways to train.
This is where you build the engine.