4x4 vo2max

• Cycling
• 51mTime
• 63Stress
• 0.86Intensity
• 25Popularity

About this workout

This classic Norwegian 4x4 VO2 max workout pushes your limits with two sets of 4-minute intervals at 110% FTP, perfect for building the capacity you need for those steep climbs or breakaway efforts. Ideal for boosting your aerobic ceiling, it’s an essential session for any cyclist looking to enhance performance in races or intense group rides.

Workout structure

• 15 min @ 70% (70w)
• 2X
  • 4 min @ 110% (110w)
  • Rest 4 min @ 50% (50w)
• 4 min @ 60% (60w)
• 2X
  • 4 min @ 110% (110w)
  • Rest 4 min @ 50% (50w)