Interval Cardio-Stepmill

I wish I can bottle the feeling I get after an interval session.

Previous

Duration: 39:05
Calories: 508
Average Heart Rate: 145 bpm (76% MHR)
Maximum Heart Rate: 175bpm (92% MHR)
Fat Percentage of Calories: 15%

Tonight

Duration: 30:16
Calories: 462
Average Heart Rate: 155 bpm (82% MHR)
Maximum Heart Rate: 177 bpm (93% MHR)
Fat Percentage of Calories: 12%