| Date | Workout type | HR Drift in Z2 | Chart of Z2 part
 | Chart of workout
 | 
| February 11 | Cycling Foundation 11 - 30 min in Z1
 - 50 min in Z2
 - 10 min Z1
 | Power ~ 122 W Start HR: 134 BpM
 End HR: 147 BpM
 | - 1th 1/2 part: 122 W - 138 BpM - 2ed 1/2 part: 122 W - 144 BpM
 HR Drift: 144/138 = 1.043 ~ 4.3%
 |  |  | 
| February 18 | Cycling Foundation 11 - 30 min in Z1
 - 50 min in Z2
 - 10 min Z1
 | Power ~ 126 W Start HR: 136 BpM
 End HR: 153 BpM
 | - 1th 1/2 part: 126 W - 141 BpM - 2ed 1/2 part: 126 W - 148 BpM
 HR Drift: 148/141 = 1.050 ~ 5.0%
 |  |  | 
| February 20 | Run Foundation 10 - 5 min in Z1
 - 60 min in Z2
 - 5 min Z1
 | Pace ~ 6:25 min/Km Start HR: 137 BpM
 End HR: 149 BpM
 | - 1th 1/2 part: 6:18 min/Km = 378 sec/Km - 139 BpM => 378/139 = 2.72 - 2ed 1/2 part: 6:34 min/Km = 394 sec/Km - 146 BpM => 394/146 = 2.70
 HR Drift: 2.72/2.70 = 1.0077 ~ 7.7%
 |  |  |