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Start this workoutHR Zone 2 Training
Heart Rate Zone 2Heart-rate-controlled resistance that holds your target bpm the same way ERG mode holds a target wattage — the trainer keeps adjusting the watts on its own so your heart rate does the driving. Warm-up + two steady Zone 2 blocks + cool-down.
55 minWorkout structure
| Phase | Duration | Target | |
|---|---|---|---|
| Warm-up | 8:00 | 75–85 rpm · 1% | |
| Zone 2 | 20:00 | 125 bpm | |
| Zone 2 (build) | 20:00 | 132 bpm | |
| Cool-down | 7:00 | 65–80 rpm · 0% |