Start with a 15 minute warm up jog.
Do 5-10 sets of the following:
3 minutes on (hard effort)
2 minutes off (recover)
Cool down for one mile or so.
Start with a 15 minute warm up jog.
Do 5-10 sets of the following:
3 minutes on (hard effort)
2 minutes off (recover)
Cool down for one mile or so.