4x4 Z5

• Cycling
• 31mTime
• 47Stress
• 0.95Intensity
• 225Popularity

About this workout

The Norwegian 4x4 workout pushes your limits with four intense intervals at 110% FTP, ideal for boosting your VO2 max and aerobic capacity when the climbs get steep or during race efforts. It's a must-try for those looking to add a savage punch to their training regimen while maximizing performance gains.

Workout structure

• Warm-Up 5 min @ 50-65% (50-65w)
• 4X
  • 4 min @ 110% (110w)
  • Rest 2 min @ 65% (65w)
• Cooldown 2 min @ 65-35% (65-35w)