A brisk 5 minute warmup walk or jog.
For 20min, alternate 60 seconds of jogging and 90 seconds of walking.
For 20min, alternate 90 seconds of jogging and 2 minutes of walking.
Do 2 rounds of: Run 90 seconds, Walk 90 seconds, Run 3 minutes, Walk 3 minutes.
Alternate jogging and walking.
Jog for 25 minutes.
Jog 5 min, walk 3 min, jog 5 min, walk 3 min, jog 5min
Jog for 28 minutes
Jog for 30 minutes.
Jog 10 min, walk 3 min, jog 10 min