Vo2 4×4

• Cycling
• 1h 13mTime
• 92Stress
• 0.87Intensity
• 50Popularity

About this workout

The Norwegian 4×4 intervals push your limits with three brutal 4-minute efforts at 115% FTP, designed to elevate your aerobic ceiling and prepare you for those steep climbs or fierce race kicks. This workout is a must for anyone looking to develop raw power and improve performance in high-intensity efforts.

Workout structure

• 20 min @ 50-99% (50-99w)
• 5 min @ 50% (50w)
• 3X
  • 4 min @ 115-120% (115-120w)
  • 4 min @ 50% (50w)
• 4 min @ 115-120% (115-120w)
• 20 min @ 65% (65w)