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At the moment im following a Army fitness programme which I have been doing for 3 months, this week is the first week of the third month.
this is what the programme is asking me to do tomorrow:
Alternate Running hard then recovering for intervals of 1, 2, 3 minutes.
In previous weeks I would be running fast for 1 min resting for 1 min, up to a certain ammount of time, What Im Confused about is how long am I meant to do this for? it does not tell me when to stop?