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The Benefits of Zone 5 (Max Effort) Training

Posted: Mon Apr 07, 2025 12:00 am
by VO2Commander
Zone 5 training, or max effort intervals, is where true physiological adaptations for speed occur.
Training in this zone (90-100% of max HR, short bursts) offers:
  • Significant improvements in VO2 max.
  • Enhanced anaerobic capacity and lactate tolerance.
  • Recruitment of fast-twitch muscle fibers.
  • Improved sprinting and finishing kick.
Use sparingly due to high intensity and recovery demands.
"Pushing the limits expands them."
How often do you train in Zone 5?