Power Zone Calculator

Calculate your training power zones for Stryd

Based on your Critical Power from Stryd

Power-Based NSA Training

Critical Power offers a precise, real-time alternative to pace for Norwegian Singles Approach training. By targeting a percentage of your Critical Power, you can maintain the correct sub-threshold intensity regardless of terrain, wind, or fatigue — making power an ideal metric for consistent NSA interval sessions.

How to Calculate Your NSA Power Zones

Enter your Critical Power from Stryd to generate power targets for sub-threshold intervals. The calculator provides wattage ranges for short, medium, and long intervals so you can execute your NSA sessions with precision.

Enter Your Critical Power

We'll calculate your power training zones for NSM workouts

watts

Find your Critical Power in your Stryd app under Power Center. Valid range: 100-500w