Fitness
Zone 2 Cycling
Zone 2 cycling is easy aerobic riding—usually below roughly 75% of FTP—that builds mitochondrial density without stacking heavy fatigue.
Zone 2 cycling is easy aerobic riding at roughly 55–75% of functional threshold power or a conversational heart-rate band. It builds fat oxidation, capillary density, and durability without the recovery cost of intervals.
Most weekly volume should sit here for endurance athletes. Nasal breathing or talk tests help when power is unavailable.
Common questions
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How do I know I am in zone 2?
With power, stay below roughly 75% FTP; without power, use conversational pace and stable heart rate that does not drift sharply upward.
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Can zone 2 feel boring?
Yes—use podcasts or group endurance rides, but resist creeping into tempo; the value is staying truly easy.
Related terms
Put Zone 2 Cycling into practice
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