Besides cost ($10 vs $30) is either recommended over the other? I was thinking of doing the CTS 8 week series, just to have some structure to follow, but I was wondering everyone's experience with the two.
This wil be my first winter actually following some type of plan. I have the Morris book, but thought it may be a little less boring following a tape & now it looks like Carmichael is starinting to come around to Morris' thinking (i.e multiple intervals even in the winter)
(If this has been covered before, please just direct me to the old thread)
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Thread: CTS vs Spinervals?