F3-B3
- Cycling
- 1h 30mTime
- 109Stress
- 0.85Intensity
- 36Popularity
About this workout
F3-B3 is a classic VO2 max session that pushes your aerobic ceiling with 4 hard intervals at 110% FTP, perfect for those critical moments when the road kicks up or you're fighting for position in a race. This workout is essential for boosting your capacity to sustain high-intensity efforts, ideal for group rides or time trials.
Workout structure
- 30 min @ 65% (65w)
- 4X
- 5 min @ 110% (110w)
- 3 min @ 65% (65w)
- 5 min @ 110% (110w)
- 23 min @ 65% (65w)