Originally Posted by
5 alpha victim
I see what you are saying with the adrenaline rush. The other day I tried thirty second sprints at 12.5 MPH with two minute breaks in between each sprint.
I would usually do one minute sprints (more like fast runs) at 10mph for sixty seconds with sixty second breaks in between each sprint. Although this was all-around more difficult and a better work work, I still feel that jolt/adrenaline feeling more after doing the faster pace for the shorter distance which seems to be the point here.
I am still doing them on a treadmill though and will probable change to a track eventually.
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