If you’ve spent any time doing formal cycling workouts, then you’re probably familiar with zone 4, or “threshold” type workouts. So what is the point of a threshold workout, and are there better ways to do them?

If you’ve spent any time doing formal cycling workouts, then you’re probably familiar with zone 4, or “threshold” type workouts. So what is the point of a threshold workout, and are there better ways to do them?