B4-90'-Durability
- Cycling
- 1h 30mTime
- 83Stress
- 0.74Intensity
- 15Popularity
About this workout
This classic threshold workout features a main set of 4 x 5 minutes at 100% FTP, pushing your limits while building sustainable power for those tough group ride efforts and time trials. It's a vital session for boosting your VO2 max and improving your ability to maintain intensity when the pace heats up.
Workout structure
- Warm-Up 10 min @ 30-70% (30-70w)
- Warm-Up 5 min @ 70% (70w)
- Warm-Up 15 sec @ 70-104% (70-104w)
- Warm-Up 1 min @ 104% (104w)
- Warm-Up 15 sec @ 104-45% (104-45w)
- 4X
- Active 4 min @ 45-70% (45-70w)
- Rest 4 min @ 70-45% (70-45w)
- 4:30 min @ 45% (45w)
- 4X
- Interval 5 min @ 100% (100w)
- Rest 3 min @ 45% (45w)
- 5 min @ 45% (45w)