Outdoor cardio drill
Grab your stopwatch and hit the street. Do this cardio routine four times a week.
Jog for 30 seconds
Sprint for 30 seconds
Repeat these intervals for 20 full minutes
Next: Circuit training
Outdoor cardio drill
Grab your stopwatch and hit the street. Do this cardio routine four times a week.
Jog for 30 seconds
Sprint for 30 seconds
Repeat these intervals for 20 full minutes
Next: Circuit training