How to Find Your Zone 2 Without a Lab | CFBC

How to Find Your Zone 2 Without a Lab | CFBC from CrossFit BC. Five field-tested ways to find your Zone 2 heart rate without lab testing: nose breathing, the talk test, RPE, heart rate, and the MAF formula.

This is a long-form CrossFit BC reference piece. We cite the research we lean on, show how we apply it with members in the gym, and keep the practical takeaways at the top so you can act on them the same week.