This session is best for beginners or those of you who are getting back into running after a hiatus.
Intensities are based on your rate of perceived exertion during the interval periods, for example: someone who has never ran before might find 3/10 to be a slow walk and 5/10 to be a fast paced walk, where as those who have had experience with running might find 3/10 to be a slow jog and 5/10 to be a medium paced jog.
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