Z4-Z5 builders
- Cycling
- 2h 8mTime
- 133Stress
- 0.78Intensity
- 190Popularity
About this workout
This Z4-Z5 builders workout features a solid main set of 2 × 20 minutes at 88% FTP, perfect for developing your aerobic durability and pushing your threshold limits. It's an ideal session for those mid-week efforts, helping you sustain the pace during group rides or time trials without overcooking your legs.
Workout structure
- 20 min @ 50-85% (50-85w)
- 2X
- 20 min @ 88% (88w)
- 10 min @ 50% (50w)
- 8 min @ 105% (105w)
- 10 min @ 50% (50w)
- 10 min @ 95% (95w)
- 20 min @ 50% (50w)