Vo2 Max 4x4
- Cycling
- 1h 12mTime
- 84Stress
- 0.84Intensity
- 51Popularity
About this workout
The Norwegian 4×4 protocol ramps up your aerobic ceiling with four hard efforts at 118% FTP, perfect for pushing through tough climbs or high-intensity group rides. This session is all about developing the capacity you need for those gnarly race kicks when it counts.
Workout structure
- Warm-Up 20 min @ 45-75% (45-75w)
- 4X
- Active 4 min @ 118% (118w)
- Active 4 min @ 40% (40w)
- Cooldown 20 min @ 65-45% (65-45w)