The Energy category includes three programs that target cardiovascular development through high-intensity activities.
The Power Interval program targets cardiovascular development through a series of different speeds and slopes.
Time
30 minutes
45 minutes
60 minutes
Speed (mph)
From 3 to 4.3
From 4.0 to 5.8
From 5.0 to 8.0
Incline
From 0 to 6%
From 2 to 7%
From 3 to 10%
Intensity
4 steps
4 steps
4 steps