
Intervals That Work: From VO₂max to Neuromuscular Power
Not all intervals are the same. We break down how to use 30/30s and 4×1000s to improve VO₂max, power and endurance, without overload or junk mileage.
Sergey·Advanced Level·3 min.
Advanced methods, training cycles, and plans for growth. Requires experience and knowledge

Not all intervals are the same. We break down how to use 30/30s and 4×1000s to improve VO₂max, power and endurance, without overload or junk mileage.

A sudden mileage increase is the main risk factor for injury. Here’s why even experienced runners break down – and how to progress without destroying your joints.
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