- 4x4 VO2 Max

• Cycling
• 24mTime
• 46Stress
• 1.07Intensity
• 52Popularity

About this workout

The 4x4 VO2 Max workout, inspired by the Norwegian 4x4 protocol, pushes you to your limits with four brutal intervals at 120% FTP, perfectly simulating the demands of steep climbs or racing sprints. This session is essential for boosting your aerobic ceiling and building the stamina needed for those decisive moments in competitive settings.

Workout structure

• 10 sec @ 50% (50w)
• 4X
  • 4 min @ 120% (120w)
  • Rest 2 min @ 40% (40w)