Fitness
Zone 5 Training
Zone 5 training is maximal cardio effort—short sprints and peak intervals—that boosts VO₂ max but needs careful dosing and recovery between sessions.
Zone 5 training is maximal or near-maximal cardiovascular effort—short sprints, all-out intervals, or peak heart rate work lasting seconds to a few minutes. It raises VO₂ max and neuromuscular power but accumulates fatigue fast.
Most programs need one to two zone 5 sessions weekly with ample easy volume between.
Common questions
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How often should you do zone 5 training?
One to two quality sessions per week suit most recreational athletes, surrounded by zone 1–2 volume. More sprints without recovery invite illness and plateau.
Related terms
Put Zone 5 Training into practice
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