Zone 2 training is characterized by effort below the level that would raise heart rate above 120 bpm while swimming, allowing Peter to exercise with no agenda other than aquatic immersion, without pushing intensity or measuring pace.
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Speaker
Peter AttiaEvidence Quote
“all i'm doing is swimming i'm not doing workouts i'm not looking at the pace clock i'm not even swimming hard enough to get into zone two truthfully i doubt my heart rate's above 120.”
Source
206 - Exercising for longevity: strength, stability, zone 2, zone 5, and more | Peter Attia, M.D.— Peter Attia MDCreated: 8/12/2026, 6:47:52 PM
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