Interval Cardio-Round 2

First time taking my interval cardio outdoors...and as long as the weather permits (not too hot, not too cold) I may mix things up when need be.

Today, I performed hill sprints and by the time I was through my lungs were on fire.

The extra day between sessions 1 and 2 make a difference, I feel.

Tonight...

Duration: 30:58
Calories: 389
Average Heart Rate: 145 bpm (77% MHR)
Maximum Heart Rate: 170 bpm (90% MHR)
Fat Percentage of Calories: 15%

Previous Workout...

Duration: 30:15
Calories: 357
Average Heart Rate: 144 bpm (76% MHR)
Maximum Heart Rate: 177 bpm (94% MHR)
Fat Percentage of Calories: 17%