For more details of these sessions see the introduction and Week 1.
Week 8: Something a little different this week.
You choose the distance for the session.
Session 8 Out and Back
Run out nice and easy for your chosen time, e.g. 10, 15, 20 mins.
Run back on the same route in a time that is 10% quicker, e.g. run out for 15 mins and run back in 13:30.
Cool down with 5 mins easy on your return.