Maybe this year is your year to achieve the Sub 20 mins and this training plan is how you can do it. Over 5 weeks, using interval training, fartlek training, hill climbs and endurance training you will be sure to achieve that sub 20.
Structure: Jumping straight into training with internals on day 2 and this introducing endurance builders and fartlek in week 2 and 3. Sub 20 5km attempts are places during the training week to assess your process
